Maryann Amirshahi completed her Bachelors in Pharmacy and PharmD degrees at the University of the Sciences in Philadelphia, followed by medical school at Temple University. She completed her emergency medicine residency at the Hospital of the University of Pennsylvania, medical toxicology fellowship at the George Washington University/National Capital Poison Center, and clinical pharmacology fellowship at Children’s National Medical Center. She also received an MPH from the George Washington University focusing on environmental and occupational health. She completed her PhD at Erasmus University, with a focus on pharmacology and public health. She is board certified in emergency medicine, medical toxicology, addiction medicine, and clinical pharmacology. She is also a registered pharmacist with over a decade of practice experience and is a Board Certified Pharmacotherapy Specialist. 

She is a Professor of Emergency Medicine at the Georgetown University School of Medicine in Washington, DC. Maryann practices clinically at MedStar Washington Hospital Center, where she not only treats poisoned patients on a daily basis, but also plays a major role in bringing addiction care to the emergency department setting. She also is active at the health system level with roles in medication safety, opioid stewardship, and resident education. Nationally, she serves on the Board of Directors for the American College of Medical Toxicology. Maryann is currently the co-medical director at the National Capital Poison Center. Maryann is a proliferative researcher with nearly 200 peer-reviewed publications and book chapters. Her research interests include medication safety, medical toxicology, drug shortages, addiction treatment in the emergency department, and prescription drug abuse.

Carl Baum, MD, FAAP, FACMT, is board-certified in Pediatric Emergency Medicine and in Medical Toxicology, and has over 25 years' experience in both subspecialties. He serves as attending physician in the Pediatric Emergency Department, and as Director of the state-funded Lead Poisoning and Regional Treatment Center. Nationally, Dr. Baum serves the following organizations: Executive Committee, Council on Children and Disasters, American Academy of Pediatrics, Medical Toxicology Subboard, American Board of Pediatrics/American Board of Emergency Medicine, National Biodefense Science Board, Administration for Strategic Preparedness & Response, US Department of Health and Human Services. In addition, he is a member of the International Society for Children's Health and the Environment.

Jeffrey Brent, M.D., Ph.D., is a Distinguished Clinical Professor of Medicine (Pulmonary and Critical Care Medicine) and Emergency Medicine at the University of Colorado Schools of Medicine and Public Health. He did his fellowship in medical toxicology at the Rocky Mountain Poison and Drug Center, where he has been both medical director and fellowship director. He is a former President of the American Academy of Clinical Toxicology and a former Board member of the American College of Medical Toxicology. Dr. Brent is the senior editor of Critical Care Toxicology: the Diagnosis and Management of the Critically Poisoned Patient, currently in its second edition. Dr. Brent is Co-Principal Investigator of ACMT’s Toxicology Investigators Consortium.

Nick Buckley is Professor of Clinical Pharmacology and a practicing clinical toxicologist consulting at RPA and through all the Poisons Centres in Australia. He is best known internationally for being a co-founder of the SACTRC collaboration, a centre of clinical toxicology research excellence in Sri Lanka with a focus on agrochemical poisoning and snakebite. http://www.sactrc.org/ Nick has been involved with contributing to the Australian Medicines Handbook since it was founded in 1998, and is now Chair of the Editorial Advisory Board. He was a founding Member of the Australian Advisory Committee on the Safety of Medicines (ACSOM). He is a past President of the Asia Pacific Association of Medical Toxicology. Nick is highly experienced in clinical epidemiology and research design. His research has attracted continuous project and program funding since 2002 and has resulted in an extensive publication record including 440+ peer reviewed journal articles and 22 book chapters. He has supervised or co-supervised over 20 higher degree students.

Dr. Stephanie Carreiro is an emergency medicine physician, medical toxicologist, and digital health researcher. She is a 2009 graduate of New York Medical College, and completed her emergency medicine residency in 2013 at Brown University.  She completed a medical toxicology fellowship in 2015, and recently received a PhD in Biomedical Sciences both at the University of Massachusetts. She is currently an Associate Professor, Director of the Tox(In)novation Lab, and Research Director in the Department of Emergency Medicine at University of Massachusetts Chan Medical School. Her current research program focuses on developing digital therapeutics for substance use disorder, understanding how patients use and engage with technology, and leveraging digital technology to promote health equity. She is the principal investigator multiple industry and federally funded research grants, including several awards from the National Institute on Drug Abuse and National Institute of Biomedical Imaging and Bioengineering. 

Dr. Carroll is the Program Director for the EMS Fellowship at Cooper University Hospital. He is passionate about utilizing physician field response to translate the bedside, apprenticeship model of medical education into the field. His interests include addiction medicine and the role of urban EMS caring for underserved populations. He graduated from Brandeis University with a Bachelor of Arts with Honors in history. As an undergraduate, Dr. Carroll became passionate about emergency medical services, and following graduation became certified as a paramedic . He worked for nearly a decade in the New York City 911 system and was recognized for his service on the morning of the 9-11 attacks. He then earned his medical degree from Dartmouth Medical School where he was inducted into the Gold Humanism Honor Society. He completed emergency medicine residency at Temple University Hospital and completed a fellowship in emergency medical services at Cooper University Hospital. He is dual board certified in emergency medicine and emergency medical services.

Dr. Carroll thrives on prehospital and disaster medicine and is passionate about resident, fellow, and especially about prehospital provider education. He was integral in the creation of our EMS fellowship and is excited to be the second program director. Dr. Carroll believes in the apprenticeship model of medical education and created Cooper’s prehospital physician response program to bring both physician-level care to patients and to move the bedside teaching model to the prehospital arena. Dr. Carroll loves the practice of academic emergency medicine and emergency medical services, and is not satisfied with the status quo. He believes strongly that EMS is a practice of medicine and as such needs to constantly be refocused on patient outcomes while optimizing its place in the health care system. He is a champion of nontraditional transport models, and helped spearhead the movement of addiction medicine into the field by educating paramedics about opioid use disorder and training them to rescue patients in withdrawal with medication-assisted therapy using buprenorphine. Dr. Carroll loves the varied practice environments of EM and EMS making academic, rural, prehospital, austere disaster deployment, and even cruise ship medicine a part of his regular medical practice.

Alexis Cates, DO trained in Emergency Medicine and Medical Toxicology at Einstein Medical Center in Philadelphia, PA. She is currently located at Ochsner Medical Center in New Orleans, LA where she serves as the Emergency Medicine Residency Assistant Program Director and the Resident Medical Toxicology Rotation director. Professionally, she enjoys academics, perinatal toxicology, and health policy. She is the mother of two active boys, and she and her husband enjoy road trips and adventures with the kids.

Dr. Peter R Chai is an associate professor of emergency medicine and medical toxicology at Brigham and Women’s Hospital/Harvard Medical School, and affiliate research scholar at the Koch Institute for Integrated Cancer Research at the Massachusetts Institute of Technology, and The Fenway Institute. He is also research faculty at the Dana Farber Cancer Institute. Dr. Chai’s research primarily involves the development and implementation of technological solutions that detect and respond to changes in disease. These translational projects ranges from design of novel robotic and sensor systems in animal models to human clinical trials to test the implementation of injectable and ingestible sensor systems and overlying behavioral science architecture to respond to disease states.  Specifically, Dr. Chai is interested in applying ingestible electronic sensor systems to understand medication adherence in the context of substance use and HIV treatment/prevention. His work in developing ingestible sensors and their overlying behavioral interventions as closed loop systems to measure, reinforce and provide tools for PrEP and ART adherence has been funded by the National Institutes of Health and industry partners.

Dr. Culbreth joined the Toxicology Investigators Consortium/ACMT in May 2022. She received her PhD and MPH in epidemiology and biostatistics from Georgia State University. Her dissertation focused on the development of novel statistical methods to measure current and amount of substance use in a hybrid structural equation mixture model framework. She was an Assistant Professor in the College of Nursing and Health Professions at Georgia State University from 2019-2022, where she taught undergraduate and graduate-level research methods, healthcare leadership, and advanced statistical topics for pre-doctoral students. As ToxIC's Research Director, she leads new grant development and scientific dissemination through manuscripts and presentations, and enjoys working closely with clinical colleagues to advance medical toxicology research and practice.

John W. Downs, MD MPH, is a graduate of the Virginia Military Institute and served two years as a US Army infantry officer, prior to attending medical school at the Uniformed Services University of the Health Sciences (USU). Dr. Downs completed residency training in internal medicine at Tripler Army Medical Center, Honolulu, Hawaii, and in occupational & environmental medicine at USU, where he also completed a Master of Public Health degree. Dr. Downs later completed a fellowship in medical toxicology at the Virginia Commonwealth University (VCU) Health System. Prior to his recent arrival as medical toxicology faculty at VCU in summer 2024, Dr. Downs was a US Army officer for more than 20 years. His final active-duty tour was at the Uniformed Services University where he was an Associate Professor and the Associate Program Director for the Occupational and Environmental Medicine residency, and an attending physician at Walter Reed National Military Medical Center. 

His military medical experience includes multiple tours as senior medical officer to special operations and light infantry units to include deployments to operations in Iraq and Afghanistan. Dr. Downs’s public health experience includes service as Chief of the Department of Preventive Medicine at Fort Campbell, Kentucky, and Chief, Occupational & Environmental Medicine Service, Walter Reed National Military Medical Center during the COVID-19 pandemic. Dr. Downs is board certified as a physician in internal medicine, occupational & environmental medicine, and medical toxicology. Dr. Downs also holds allied health certifications as a certified public health professional (CPH), and Diplomate of the American Board of Toxicology (DABT). Dr. Downs is a recipient of the Army Surgeon General’s 9A Proficiency Designation in occupational and environmental medicine. He has authored more than 25 peer-reviewed publications. He is a Fellow of the American College of Physicians, and the American College of Occupational and Environmental Medicine.

Leslie R. Dye, MD is triple board certified in emergency medicine, medical toxicology, and addiction medicine. She has worked in the fields of medical toxicology and addiction medicine for 30 years. In addition to her clinical expertise, she has academic and business content expertise from experiences as an editor-in-chief (EIC) of a peer-reviewed medical journal (Journal of Medical Toxicology) and EIC of physician and pharmacist content production for a leading international medical digital content provider. Her deep subject matter expertise is demonstrated in her role as senior editor of the textbook, Case Studies in Medical Toxicology, author of 18 peer reviewed publications and 16 textbook chapters, 66 national and 11 international presentations, 10 various commentaries, interviews, and podcasts. Her leadership skills have been proven in both corporate and academic environments, as professor at a medical school, long-term board member and past president of the American College of Medical Toxicology, Chair of the Addiction Medicine Committee, former co-chair, and co-moderator of the AACT Acute and Intensive Care Symposium, and as the manager of as many as 30 team members at an international corporation. She received a funded grant that enabled her to start the first poison control center in mainland China and trained 6 Chinese physicians in the field of medical toxicology over 3 years in the US. Dr. Dye is experienced in and continues to provide medical care in remote polar regions with no access to advanced medical facilities.

William Eggleston is originally from Binghamton, N.Y., and joins Binghamton University as a clinical assistant professor. He received his Doctor of Pharmacy degree from Wilkes University and completed a fellowship in clinical toxicology and emergency medicine at SUNY Upstate Medical University and with the Upstate New York Poison Center in Syracuse, N.Y. He comes to Binghamton from SUNY Upstate Medical University, where he served as an assistant professor in the Department of Emergency Medicine, and the Upstate New York Poison Center, where he worked as a clinical toxicologist.Eggleston is the director of the Opioid Research Center for Central New York (ORCC-NY), a multidisciplinary team of scientists, healthcare providers, and community partners working to develop innovative ideas and strategies for treating and preventing the harms of opioid use disorder. 

Additionally, he is a member of the executive board of the New York State chapter of the American College of Clinical Pharmacy (ACCP).Eggleston is an active member of the American Academy of Clinical Toxicology where he serves as a member of the International Clinical Toxicology Recommendations Collaborative. His primary research interests are opioid use disorder treatment, opioid-related harm reduction strategies, and drug-induced cardiac toxicity. He is passionate about developing web-based content and tools within the Free Open Access Medication (FOAM) community that simplify drug-induced disease states in a manner that highlights interprofessional education and collaboration. His practice site is SUNY Upstate Medical University, where he works with an interprofessional inpatient toxicology consultation team and with the Upstate New York Poison Center, where he provides toxicology consultation, leads public health initiatives and performs public education.

Dr. Timothy B. Erickson is an emergency medicine physician at the Brigham and Women’s Hospital in Boston, MA, USA where he serves as the Chief of Medical Toxicology in the Department of Emergency Medicine. He is also a teaching faculty member at Harvard Medical School. Dr. Erickson is also a core faculty member at the Harvard Humanitarian Initiative (HHI) in Cambridge, MA with expertise in environmental toxicology and crisis in climate change. He has active humanitarian health projects in Nepal and India as well as in conflict regions of Ukraine and Syria. 

Dr. Erickson has been a member of multiple editorial boards and has a prolific academic history including publishing over 120 original journal articles and book chapters as well as editing 4 major textbooks. He has presented over 100 national and international invited lectures related to emergency medicine, toxicology, humanitarian global health, and wilderness/expedition medicine.

Alyssa joined the Toxicology Investigators Consortium/ACMT in November 2023. Alyssa earned her PhD in epidemiology from the University of Florida and her MSPH from the University of Miami. While at the University of Florida, Alyssa was trained in psychiatric epidemiology as a National Institute on Drug Abuse T32 Pre-Doctoral Fellow in the UF Substance Abuse Training Center in Public Health. In 2023, Alyssa was awarded the College on Problems of Drug Dependence’s Female Opioid-addiction Research and Clinical Experts (FORCE) Junior Investigator Award for her research addressing opioid use and non-medical use among middle and older adults.

Dr. Ana Ferrer Dufol holds a degree in Biochemistry and a Doctor of Medicine from the University of Zaragoza, where she was awarded the Extraordinary Prize for her doctorate. She is a specialist in Pathological and Forensic Anatomy and a graduate in Criminology and Clinical Toxicology from the Claude-Bernard University of Lyon (France). Since 1996, she has combined her role as a professor in the Area of Toxicology and Health Legislation at the University of Zaragoza with her position as Section Head of the Clinical Toxicology Unit at the University Clinical Hospital, a reference unit in Aragon.

In addition, she is a member of the scientific committee of the Aragonese Food Safety Agency. Her professional expertise has enabled her to coordinate, for more than 11 years, a toxicovigilance program with the Ministry of Health to monitor cases of poisoning caused by chemical products in hospital emergency services. Her work has been published in international journals, particularly on toxic epidemics related to pesticide agents.

Charlotte Goldfine, MD is an emergency medicine physician and medical toxicologist at Brigham and Women’s Hospital (BWH). She is the course director for the Harvard-Affiliated Emergency Medicine Residency toxicology core rotation and the BWH site fellowship director for the Harvard Toxicology Fellowship. Her research is focused on medication safety, medical education, and advances in digital health technologies, novel therapeutics, and drug-delivery systems in the treatment of substance use disorders.

Dr. Graham is double board-certified (adult and child/adolescent) psychiatrist with expertise in young adult mental health, emergency mental health, consultation-liaison psychiatry, medical education/training, clinical informatics and medical writing/editing. She completed her psychiatry residency and child and adolescent psychiatry fellowship at UMass Chan Medical School, following which she worked as an attending psychiatrist at UMass Memorial Medical Center and an Assistant Professor of Psychiatry and Pediatrics at UMass Chan Medical School. She is currently an Associate Psychiatrist at Brigham and Women’s Hospital and a Clinical Instructor in Psychiatry at Harvard Medical School.

Dr. Graham works as a board-certified medical toxicologist and an emergency medicine physician at UMass Chan Medical School in Worcester, MA. There, he is also the director of the outpatient toxicology clinic. He acts as an educator, clinician, and researcher in these capacities. He completed his toxicology fellowship in 2022 at UMass after completing his residency in emergency medicine also at UMass. His current academic and research interests include psychedelics, addiction medicine, cannabinoids, and harm reduction.

Dr. Haroz is Associate Professor in the Department of Emergency Medicine at Cooper Medical School of Rowan University, Division Head of Toxicology and Addiction Medicine, and Medical Director at the Center for Healing. She is board certified in emergency medicine, medical toxicology, and addiction medicine, obtaining her BA in biology from Brandeis University, her MD from Tufts University and completed a residency in emergency medicine and fellowship in medical toxicology. She has spent the last 17 years working in inner city emergency departments, mostly in the Camden area where opioid intoxication, abuse and dependency are rampant. She helped build and now staffs the Outreach Clinic at the Urban Health Institute at Cooper University Hospital in Camden, New Jersey, an addiction medicine specialty clinic dedicated to treating patients with substance use disorders and helped build an integrated clinic for patients with HIV and substance use disorders. In 2016 she helped create and implement an initiative to prescribe buprenorphine from the Emergency Department and bridge patients to treatment to various community partners. In 2019 she helped launch an innovative program aimed at initiating buprenorphine via paramedics in the field. She is also heavily involved in education of residents, medical students, and pharmacists and organizes education forums focused on topics related to opioid dependency and treatment.

Andrew is an Attending Emergency Physician and Associate Director of Research at Highland Hospital-Alameda Health System in Oakland, as well as Medical Director of the hospital’s substance use disorder treatment program and Attending Physician at its interdisciplinary pain medicine program. His current research focuses on emergency department treatment of opioid use disorders and pain management. Andrew is an assistant clinical professor at the University of California, San Francisco. He conducted health policy research as a Fulbright Scholar in Central America. He is board-certified in emergency medicine, addiction medicine, and pain medicine. Andrew graduated from Harvard Medical School and completed residency in emergency medicine at Highland Hospital.

Daniel Hryhorczuk was born in Champaign, Illinois in the “heart of the heart of the country.” The son of Ukrainian immigrants, he grew up in Chicago’s Ukrainian Village neighborhood. He received his BA in English (creative writing) from Northwestern University where his short story “The Ice Cross” won first place in the Orgy of the Arts. He received his MD and MPH degrees from the University of Illinois and pursued a career in medicine, toxicology, and global health before returning to creative writing. His first novel, Caught in the Current, revisited the world of his youth -- ethnic America and offbeat Europe during the psychedelic sixties. 

The Midwest Book Review described it as “one amazing read and decidedly establishes Daniel Hryhorczuk as a talented author of wit, imagination, and a fundamentally gifted storyteller.” His second novel, Myth and Madness, explores Ukraine’s “revolution of dignity” during the winter of 2013/14. He has received commendations from the City of Chicago, the White House, and the Ukrainian government for his work on social and health issues in Ukraine. His most recent novel, Amerikana, explores the country of his birth and what it truly means to be an American. He lives in the Chicago area with his wife Christine.

I am a Professor and NHMRC Senior Research Fellow at the University of Newcastle. I am a consultant clinical toxicologist and emergency physician, Director of the Department of Clinical Toxicology, Calvary Mater Hospital and consultant toxicologist to the NSW Poisons Information Centre. I was made a Member of the Order of Australia in 2019 for my contribution to toxicology. I am President Elect of the Asia Pacific Assocation of Medical Toxicologists. My major area of research is snake bite. I have published over 375 papers and received $20 million in research funds.

Dr. Health Jolliff has more than 30 years of clinical practice and is dual board-certified in Emergency Medicine and Medical Toxicology. He is now certified as an executive coach, working with physicians in all stages of their careers. He works to help them find focus, direction and solutions to their current and future career challenges. He works as an an educator, a national speaker and has his own consulting business.

Dr. Kerns trained in Emergency Medicine and Medical Toxicology and served as Professor in both disciplines at Carolinas Medical Center for 33 years. Faculty roles included leadership of the Medical Toxicology Fellowship and clinical division, consultation for the Carolinas Poison Center, and research. Research interests included antidotes, envenomation, and resuscitation of cardiotoxic drugs. He also served the ACMT focusing on advancing research and education.

Joshua D. King, MD, FACMT is an Associate Professor of Medicine and Pharmacy and the Medical Director of the Maryland Poison Center at the University of Maryland School of Medicine. He earned his medical degree from Penn State College of Medicine, followed by an Internal Medicine residency and chief residency at the University of Virginia. He then completed a Nephrology fellowship at Johns Hopkins Hospital and, after returning to the University of Virginia as a nephrologist, pursued further specialization through a Medical Toxicology fellowship. Dr. King is a dual-specialized clinician-educator in nephrology and medical toxicology, with clinical expertise in extracorporeal treatments for poisonings, therapeutic drug removal, ICU nephrology, and medical education. At the University of Maryland Medical Center, he provides care through both the nephrology and medical toxicology consultation services, focusing on hospitalized patients. In addition to his clinical work, Dr. King is deeply involved in graduate medical education, training residents and fellows, as well as teaching undergraduate medical students. As the Medical Director of the Maryland Poison Center, he oversees the clinical management of poisoning, envenomation, and overdose cases for both the public and healthcare providers. His role also includes educating medical and pharmacy students and supervising physicians who rotate through the center. Dr. King’s research interests lie at the intersection of nephrology and toxicology, particularly in the extracorporeal removal of toxins through modalities such as dialysis and apheresis.

Michael J. Kosnett, MD, MPH, FACMT has 34 years of experience as a physician specializing in medical toxicology and occupational and environmental health. He is board certified in internal medicine, medical toxicology, and preventive medicine (occupational medicine). He has served in a leadership and advisory capacity to multiple national and international medical and public health organizations. This includes service as past president of the American College of Medical Toxicology and a member of the Committee on Toxicology of the National Academies of Sciences, Engineering, and Medicine and the Board of Scientific Counselors of the National Institute for Occupational Safety and Health. In addition, Dr. Kosnett has served as a consultant and temporary advisor to the World Health Organization; EPA Science Advisory Board expert panels; and advisory committees of the CDC National Center for Environmental Health and ATSDR. He has also served as a medical toxicology consultant to the US Army Public Health Command, the US Air Force Science Advisory Board, and the US Navy Naval Air Systems Command. In 2016, the American College of Medical Toxicology awarded Dr. Kosnett the Matthew J. Ellenhorn Award, a career achievement award that recognizes “extraordinary contributions to the field of medical toxicology.”

Dr. Venkat Kotamraju is a Consultant in Emergency Medicine at Royal Derby Hospital, UK, with over 20 years of experience. He is the CESR Programme Director, Teaching Lead, and Training Program Director (TPD) for Exams at Health Education East Midlands, focusing on medical education and leadership.

A Fellow of the Royal College of Emergency Medicine (UK) and the European Board of Emergency Medicine, Dr. Kotamraju is also a certified Medical Examiner and Medical Appraisal Lead. He has contributed extensively as an RCEM Examiner, CESR Portfolio Assessor, and Vice Chair of the International Federation of Emergency Medicine's Quality and Safety Group.

An ATLS Course Director and global educator, he leads exam preparation courses in the UK, UAE, and India. His key interests include emergency toxicology, leadership, patient safety, and quality improvement, making him a recognized leader in Emergency Medicine and education.

Dr. Alex Krotulski serves as an Associate Director at CFSRE working in the areas of forensic toxicology and forensic chemistry and is the Program Manager for NPS Discovery. Dr. Krotulski holds faculty appointment and serves as the Assistance Program Director for the Thomas Jefferson University Master of Science in Forensic Toxicology (MSFT) program and was recently appointed as an Associate Editor for the Journal of Analytical Toxicology. Dr. Krotulski received his Doctor of Philosophy degree in Analytical Chemistry from Temple University in 2019 following receipt of his Master of Science degree in Forensic Science from Arcadia University in 2015 and Bachelor of Science in Chemistry from Loyola University New Orleans in 2013.

Jeffrey Lai, MD, is an emergency physician and medical toxicologist. He completed his undergraduate studies at the University of California, Berkeley; medical school at the University of Pittsburgh; and emergency medicine residency and medical toxicology fellowship at the University of Massachusetts. He is the program director of the medical toxicology fellowship at UMass Chan Medical School, and his academic interests include medical education, the application of novel technologies to the treatment of substance use disorders, and the surveillance of impairing substances in patients with severe traumatic injurie

Dr. Bruce Lanphear, a Professor at Simon Fraser University, has conducted research on the sources of lead exposure and impacts of lead poisoning for over 25 years. He is currently principal investigator for a study examining fetal and early childhood exposures to prevalent environmental neurotoxins including lead, pesticides, mercury, alcohol, PCB's and environmental tobacco smoke. A component of the study is the investigation of the contribution of residential hazards and residential injuries to children's health. This project recently received funding to follow the original birth cohort, until the children are five years of age. This will allow follow-up for determining the efficacy of lead hazard controls on children's blood lead levels and their risk for learning and behavioral problems. Dr. Lanphear has extensive experience conducting community-based trials, including lead poisoning prevention, epidemiology of asthma, prevention of exposureto tobacco smoke and measurement of lead and allergens in housing. Dr. Lanphear, who is a member of the US EPA’s science advisory panel for the national air lead standard, produces videos to show how human health is inextricably linked with the environment and to elevate efforts to prevent disease.

Dr. Maskell is board certified in emergency medicine, medical toxicology, and addiction medicine.  He has an appointment as Assistant Professor of Military and Emergency Medicine at Uniformed Services University of Health Sciences and currently serves as the Medical Director of the Tactical Medicine Readiness Division at the US Army Medical Department Medical Center of Excellence, Ft. Sam Houston, Texas.  He also serves as guest faculty at Brooke Army Medical Center and as a Consulting Toxicologist for the Washington Poison Center.  He graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science, completed his Emergency Medicine residency at Madigan Army Medical Center in Tacoma, Washington, and his Medical Toxicology fellowship at Virginia Commonwealth University in Richmond, Virginia.  

Dr. Dan McCabe is a Clinical Associate Professor of Emergency Medicine and Pharmacy at the University of Iowa, Division Director of Medical Toxicology at the University of Iowa, and Medical Director for Iowa Poison Control Center.

Dr. Murphy is the current President of the Canadian Association of Poison Centres and Clinical Toxicology and Medical Director of the Atlantic Canada Poison Centre. She is an Associate Professor at Dalhousie University in the Department of Emergency Medicine. Dr. Murphy completed her medical toxicology fellowship at the University of California, San Francisco and is American Board certified in Medical Toxicology and Addiction Medicine.

Nicholas E. Nacca, MD, FACMT is an Assistant Professor of Emergency Medicine, Director of Medical Toxicology, and Associate Fellowship Director of the Medical Toxicology Fellowship Program at the University of Rochester Medical Center (URMC). In addition to his role within the Department of Emergency Medicine, Dr. Nacca holds a secondary appointment in the Department of Environmental Medicine. As Director of Medical Toxicology, Dr. Nacca oversees the educational and clinical operations of the medical toxicology consultation service, where he is actively involved in training medical toxicology fellows, as well as mentoring multidisciplinary teams that include medical residents, pharmacy residents, and medical students. He also staffs and directs a referral-based outpatient Medical Toxicology Clinic, where he provides specialized care to patients requiring toxicological evaluation and treatment. Dr. Nacca’s work bridges clinical practice and education, emphasizing the development of the next generation of toxicology professionals while providing expert consultation in both inpatient and outpatient settings.

Dr. Mykola Prodanchuk is a renowned toxicologist, professor, and doctor currently serving as Director of the L.I. Medved's Research Center of Preventive Toxicology in Kyiv, Ukraine. He has held key roles, including State Sanitary Doctor and Deputy Minister of Health, and is a member of Ukraine's Academy of Medical Science.

As a consultant to the Ukrainian Parliament and Minister of Health, he has contributed to major health policies and legislation. He has also worked with international bodies like WHO, UNEP, and the World Bank. Mykola is a member of EUROTOX, IUTOX, the Society of Toxicology of the USA, and the American Public Health Association

Dr. Kerollos Shaker is a board certified Emergency Medicine Physician and Medical Toxicologist in Houston, Texas. He graduated from University of Alabama School of Medicine. He completed residency in Emergency Medicine and fellowship in Medical Toxicology. Currently practicing as an ER Doctor and Toxicologist Consultant. He is also a Laboratory Director with experience in high-complexity labs.

Dr. Simpson is an emergency physician and medical toxicologist at Beth Israel Deaconess Medical Center. He completed his residency at Vanderbilt University Medical Center and his medical toxicology fellowship at the Harvard Medical Toxicology Fellowship. He is a current T32 fellow with the Center for Resuscitation Science at BIDMC. His research interests include prediction and management of cardiovascular toxicity in acute drug overdose as well as bupropion cardiotoxicity.

Dr. Spungen is a second year Medical Toxicology fellow at Banner—University Medical Center Phoenix. She completed her Emergency Medicine residency at UCLA Ronald Reagan/Olive View. Her research interests include bias and spin in scientific communication, vasopressor dosing in cardiodepressant drug toxicity, and using R to explore large toxicologic data sets. 

Dr. Wax is the Executive Director of the American College of Medical Toxicology. He received his B.A from Dartmouth College, his M.D. from the Mount Sinai School of Medicine, his Emergency Medicine training at the UCLA Hospitals, and his Medical Toxicology training at Bellevue Medicine Center / New York University. He is Board-certified in both Medical Toxicology and Emergency Medicine, and is a Fellow of the American College of Medical Toxicology.

Timothy J. Wiegand, MD, FACMT, FAACT, DFASAM is an Associate Professor of Emergency Medicine and Public Health Sciences at the University of Rochester Medical Center (URMC) in Rochester, New York. Board-certified in both Medical Toxicology and Addiction Medicine, Dr. Wiegand specializes in Addiction Toxicology, combining clinical practice with research, teaching, and leadership roles. He has served two terms on the Board of Directors for the American College of Medical Toxicology (ACMT) and is currently on the Board of Directors for the American Society of Addiction Medicine (ASAM). In 2023, he began a two-year term as Treasurer of ASAM, having previously served as Vice President on the Executive Council. Dr. Wiegand founded and led the Toxicology Service at URMC until 2022, when he transitioned to Director of Addiction Medicine and Director of Addiction Medicine Consults in the Department of Emergency Medicine. He also serves as Fellowship Director for the URMC Combined Addiction Medicine Fellowship and is leading efforts to launch the URMC Medical Toxicology Fellowship, which is expected to be formally accredited by July 2023.

Dr. Wightman is an Assistant Professor of Emergency Medicine at Alpert Medical School of Brown University. She is a triple board-certified practicing physician in medical toxicology, addiction medicine, and emergency medicine. She serves as Director of Toxicology Education for Brown Emergency Medicine and as faculty in the Addiction Medicine Fellowship at Rhode Island Hospital. She completed medical toxicology fellowship and emergency medicine residency at New York University School of Medicine/ Bellevue Hospital Center. 

Dr. Wightman’s primary clinical expertise is in the evaluation and management of drug toxicity syndromes in complex medical patients and enhancing medication safety for high-risk drugs. Her research is focused on evaluation and tracking of emerging drug trends, cannabis hyperemesis syndrome, and medications for treatment of opioid use disorder.

Michael Yeh is a medical toxicology physician in CDC's National Center for Environmental Health (NCEH) and a Lieutenant Commander in the U.S. Public Health Service Commissioned Corps. Michael graduated with a B.S. in biology from SUNY Stony Brook, an M.S. in journalism from Columbia University, as well as an M.S. in epidemiology and M.D. from the University at Buffalo, SUNY. He completed a combined internal medicine and emergency medicine residency at Allegheny General Hospital in Pittsburgh. Prior to joining CDC, Michael worked as an emergency physician in Patchogue, NY (Long Island) and in Westerly, Rhode Island, before completing the Emory University/CDC medical toxicology fellowship in 2021. Michael's activities at CDC include working with America’s Poison Centers on surveillance of chemical exposures and public health hazards, acute toxicologic outbreak investigations, emergency preparedness for chemical and radiological disasters, and medical toxicology fellow education.

Dr. Yin currently serves as the medical director of the Cincinnati Poison Drug and Information Center where he has been since 2010. He is an associate professor of pediatrics at the University of Cincinnati School of Medicine and also works clinically as a pediatric emergency medicine attending at Cincinnati Children’s Hospital.

Dr. Yin is on the editorial board for the American Academy of Pediatrics (AAP) published journal - Pediatrics in Review and a peer reviewer for a number of pediatrics journals. He also administers and is the primary educator for a toxicology rotation for pediatric emergency medicine fellows, child abuse fellows, pediatric residents, med-peds residents, and pharmacy residents.

Dr. Daniel Ciccarone is the Justine Miner Professor of Addiction Medicine in the Department of Family & Community Medicine at the University of California, San Francisco. A specialist in Family Medicine and Addiction Medicine, Dr. Ciccarone has served as principal or co-investigator on numerous NIH-funded public health research projects. He currently leads the Heroin in Transition study, a multidisciplinary effort employing ethnographic, economic, and statistical modeling to explore the rise in heroin use, the growing variety of heroin source-forms, and the impact of illicitly manufactured synthetic opioids, such as fentanyls, on opioid-related mortality and morbidity. His research has been widely published in leading journals, including JAMA, NEJM, AJPH, IJDP, and PLoS Medicine. Additionally, Dr. Ciccarone serves as Associate Editor for the International Journal of Drug Policy and recently edited a special issue on the “triple wave crisis” of opioids, heroin, and fentanyl in the U.S.

Dr. Patricia Daly is the Vice President, Public Health and Chief Medical Health Officer for Vancouver Coastal Health and a Clinical Professor in the School of Population and Public Health at the University of British Columbia. As a public health physician, she focuses on improving population health through prevention, health promotion, communicable disease control, environmental health, and public health surveillance. Dr. Daly earned her medical degree from the University of Toronto in 1985 and worked as a family and emergency physician before completing specialty training at McGill University and the University of Toronto, earning a fellowship in Community Medicine in 1992. After moving to Vancouver in 1993, she served at the BC Centre for Disease Control and later at the Vancouver/Richmond Health Board. Since the formation of Vancouver Coastal Health in 2001, she has continued to lead communicable disease control efforts, assuming her current role in 2007. In addition to her leadership duties, Dr. Daly consults with health professionals, advises the public on key health issues, and teaches medical students and residents at UBC.

Guy Felicella, raised in a middle-class home in British Columbia, fell into addiction at a young age due to trauma, undiagnosed ADHD, and struggles at home and school. He spent 30 years trapped in cycles of gangs, addiction, treatment, and jail, including two decades living homeless in Vancouver's Downtown Eastside, surviving the HIV/AIDS crisis, severe infections, and six overdoses. Now with over a decade of sobriety, Guy lives with his wife and three children and is a passionate advocate for harm reduction, recovery, and ending addiction stigma. A sought-after international speaker, he shares his story at conferences, schools, and TEDx Talks, inspiring hope and educating communities on the importance of comprehensive care.

Gillian Beauchamp, MD, is fellowship director for the Lehigh Valley Health Network (LVHN) Medical Toxicology fellowship; core faculty for the LVHN emergency medicine residency; Associate professor, USF Morsani College of Medicine; LVHN Medical director for acute care substance use and prevention; Co-chair, LVHN Opioid Stewardship and Linkage to Treatment Committee; and Vice Chair for Education and Community Engagement in the Lehigh Valley Health Network Department of Emergency and Hospital Medicine. She is board certified in Emergency Medicine, Medical Toxicology and Addiction Medicine. She is an Editorial board member for Toxicology Communications and a Reviews Section Editor and Editorial board member for the Journal of Medical Toxicology; She is co-host for the Tox in Ten: ACMT Highlights podcast and oversees the ACMT online toxicology lecture library as a member of the ACMT Education Committee.

Leslie R. Dye, MD is triple board certified in emergency medicine, medical toxicology, and addiction medicine. She has worked in the fields of medical toxicology and addiction medicine for 30 years. In addition to her clinical expertise, she has academic and business content expertise from experiences as an editor-in-chief (EIC) of a peer-reviewed medical journal (Journal of Medical Toxicology) and EIC of physician and pharmacist content production for a leading international medical digital content provider. Her deep subject matter expertise is demonstrated in her role as senior editor of the textbook, Case Studies in Medical Toxicology, author of 18 peer reviewed publications and 16 textbook chapters, 66 national and 11 international presentations, 10 various commentaries, interviews, and podcasts. Her leadership skills have been proven in both corporate and academic environments, as professor at a medical school, long-term board member and past president of the American College of Medical Toxicology, Chair of the Addiction Medicine Committee, former co-chair, and co-moderator of the AACT Acute and Intensive Care Symposium, and as the manager of as many as 30 team members at an international corporation. She received a funded grant that enabled her to start the first poison control center in mainland China and trained 6 Chinese physicians in the field of medical toxicology over 3 years in the US. Dr. Dye is experienced in and continues to provide medical care in remote polar regions with no access to advanced medical facilities.

Dr. Haynes completed training in a combined emergency medicine-internal medicine program in 2014, and a toxicology fellowship at UTSW in 2016. She has been treating substance use disorders as part of her practice since that time and is board certified in addition medicine. She currently works for the VA at the Robert J Dole Veterans Medical Center in Wichita, KS, treating patients in a residential treatment center, as well as clinic, and performing bedside consults.

JoAn Laes, MD, DFASAM, FACMT is an addiction medicine physician in Minneapolis, Minnesota, focusing on inpatient addiction medicine and toxicology consultation as well as experience in outpatient treatment of opioid and other substance use disorders. She is also a core medical toxicology faculty for the Minnesota Poison Center, Minneapolis, Minnesota, and medical director for Missions Inc. Detox facility in Plymouth, Minnesota. She is board certified in Internal Medicine, Medical Toxicology, and Addiction Medicine. She completed internal medicine residency at Hennepin County Medical Center and medical toxicology fellowship at Regions Hospital in St. Paul, Minnesota.

Dr. Robert “Cole” Pueringer is a Medical Toxicologist, Addiction Medicine Specialist, and Hospitalist. He joined Essentia Health in September of 2022. He completed his medical training in the Twin Cities, including Medical School at the University of Minnesota, Internal Medicine Residency and Chief Resident year at Hennepin County Medical Center (HCMC). He received his CTropMed certification for Tropical Medicine & Travelers’ Health at the University of Minnesota. He then completed a Medical Toxicology fellowship at the Health Partners Institute/HCMC in 2021 and an Addiction Medicine fellowship at the University of Minnesota in 2022. His academic interests include medical education, Global Health, and the overlap of Medical Toxicology and Addiction Medicine. He is particularly passionate about substance use disorder - a disease that has affected many aspects of his own life – and hopes to contribute significantly to substance use treatment, education, de-stigmatization, and harm reduction in northern Minnesota.

Dr. Schwarz attended medical school at the University of Texas Medical Branch in Galveston, Texas, before completing a residency in Emergency Medicine at the Washington University School of Medicine in Saint Louis, Missouri.  After residency, he completed a fellowship in Medical Toxicology at the University of Texas Southwestern School of Medicine in Dallas, Texas, before returning to Missouri where he was an Advisory Dean and the Medical Toxicology Division Chief and Fellowship Director at Washington University. In 2023, he took a position in the Department of Emergency Medicine at the University of California Los Angeles. He is also a member of the Board of Directors for ACMT.

Timothy J. Wiegand, MD, FACMT, FAACT, DFASAM is an Associate Professor of Emergency Medicine and Public Health Sciences at the University of Rochester Medical Center (URMC) in Rochester, New York. Board-certified in both Medical Toxicology and Addiction Medicine, Dr. Wiegand specializes in Addiction Toxicology, combining clinical practice with research, teaching, and leadership roles. He has served two terms on the Board of Directors for the American College of Medical Toxicology (ACMT) and is currently on the Board of Directors for the American Society of Addiction Medicine (ASAM). In 2023, he began a two-year term as Treasurer of ASAM, having previously served as Vice President on the Executive Council. Dr. Wiegand founded and led the Toxicology Service at URMC until 2022, when he transitioned to Director of Addiction Medicine and Director of Addiction Medicine Consults in the Department of Emergency Medicine. He also serves as Fellowship Director for the URMC Combined Addiction Medicine Fellowship and is leading efforts to launch the URMC Medical Toxicology Fellowship, which is expected to be formally accredited by July 2023.

Dr. Beth Baker is the Academic Program Director for Occupational and Environmental Medicine at the Midwest Center for Occupational Health and Safety, University of Minnesota School of Public Health. She previously served as the HealthPartners/ U of MN OEM residency program director and lectured in the U of MN OEM course (PubH 6170) since 2006. She has practiced Occupational and Environmental Medicine in the Twin Cities for over 30 years, and is currently on the board of directors of the American Board of Preventive Medicine, a Past President of the American College of Occupational and Environmental Medicine, and a Past Trustee of the Minnesota Medical Association.

Dr. John G. Benitez completed his Medical Doctorate at Southern Illinois University, Springfield, and a Master of Public Health (MPH) degree at University of Pittsburgh. He completed a surgical residency at Southwestern Michigan Area Health Education Center, a hyperbaric medicine “mini-fellowship” at St. Luke's Hospital in Milwaukee, WI, a medical education fellowship at the University of Texas Southwestern Medical Center in Dallas, and completed a fellowship in clinical toxicology at Vanderbilt University. Dr. Benitez is the retired medical director for the emergency preparedness program at the Tennessee State Health Department. Previously, Dr. Benitez was appointed professor of clinical medicine at Vanderbilt University in Nashville where still holds an appointed as adjunct professor. He was also associate professor of clinical emergency medicine, community and preventive medicine, environmental medicine, and pediatrics at the University of Rochester, New York, where he also worked as the managing director of the RA Lawrence Poison and Drug Information Center. From 2000-2008, he was director for regional emergency preparedness at the University of Rochester Medical Center, medical director of the Pittsburgh Poison Center, and director of the multidisciplinary MPH program at the University of Pittsburgh Graduate School of Public Health. He is a member of the National Academies of Science, Engineering, and Medicine’s Committee on Strengthening the Disaster Resilience of Academic Research Communities. Dr. Benitez is also a member of the U.S. Army Reserves, where he holds the rank of Colonel and serves as a Preventive Medical Officer.

John W. Downs, MD MPH, is a graduate of the Virginia Military Institute and served two years as a US Army infantry officer, prior to attending medical school at the Uniformed Services University of the Health Sciences (USU). Dr. Downs completed residency training in internal medicine at Tripler Army Medical Center, Honolulu, Hawaii, and in occupational & environmental medicine at USU, where he also completed a Master of Public Health degree. Dr. Downs later completed a fellowship in medical toxicology at the Virginia Commonwealth University (VCU) Health System. Prior to his recent arrival as medical toxicology faculty at VCU in summer 2024, Dr. Downs was a US Army officer for more than 20 years. His final active-duty tour was at the Uniformed Services University where he was an Associate Professor and the Associate Program Director for the Occupational and Environmental Medicine residency, and an attending physician at Walter Reed National Military Medical Center. 

His military medical experience includes multiple tours as senior medical officer to special operations and light infantry units to include deployments to operations in Iraq and Afghanistan. Dr. Downs’s public health experience includes service as Chief of the Department of Preventive Medicine at Fort Campbell, Kentucky, and Chief, Occupational & Environmental Medicine Service, Walter Reed National Military Medical Center during the COVID-19 pandemic. Dr. Downs is board certified as a physician in internal medicine, occupational & environmental medicine, and medical toxicology. Dr. Downs also holds allied health certifications as a certified public health professional (CPH), and Diplomate of the American Board of Toxicology (DABT). Dr. Downs is a recipient of the Army Surgeon General’s 9A Proficiency Designation in occupational and environmental medicine. He has authored more than 25 peer-reviewed publications. He is a Fellow of the American College of Physicians, and the American College of Occupational and Environmental Medicine.

Dr. Holland is Clinical Professor of Emergency Medicine at SUNY Upstate Medical University in Syracuse, NY where he is on the faculty of the Medical Toxicology Fellowship Training Program and is a Consulting Medical Toxicologist at the Upstate New York Poison Center and the Onondaga County Medical Examiner’s Office-both in Syracuse, NY. Dr. Holland is also the Director of Occupational Medicine for the Saratoga Hospital Medical Group, and is the Saratoga Hospital Employee Health Medical Director, where he oversees the health and safety of over 3100 employees and staff. He also serves as Employee Health Medical Director at Glens Falls Hospital in Glens Falls, NY, covering 2500 employees. He is also Principal Medical Toxicologist at the Center for Toxicology and Environmental Health (CTEH) in Little Rock, AR.    

Michael J. Kosnett, MD, MPH, FACMT has 34 years of experience as a physician specializing in medical toxicology and occupational and environmental health. He is board certified in internal medicine, medical toxicology, and preventive medicine (occupational medicine). He has served in a leadership and advisory capacity to multiple national and international medical and public health organizations. This includes service as past president of the American College of Medical Toxicology and a member of the Committee on Toxicology of the National Academies of Sciences, Engineering, and Medicine and the Board of Scientific Counselors of the National Institute for Occupational Safety and Health. In addition, Dr. Kosnett has served as a consultant and temporary advisor to the World Health Organization; EPA Science Advisory Board expert panels; and advisory committees of the CDC National Center for Environmental Health and ATSDR. He has also served as a medical toxicology consultant to the US Army Public Health Command, the US Air Force Science Advisory Board, and the US Navy Naval Air Systems Command. In 2016, the American College of Medical Toxicology awarded Dr. Kosnett the Matthew J. Ellenhorn Award, a career achievement award that recognizes “extraordinary contributions to the field of medical toxicology.”

Dr. Stephen W. Munday is an occupational medicine specialist in San Diego, California and is affiliated with multiple hospitals in the area, including Rady Children's Hospital and Sharp Memorial Hospital. He received his medical degree from University of Florida College of Medicine and has been in practice for more than 20 years.

Dr. Vearrier is board-certified in occupational medicine, addiction medicine, medical toxicology, and emergency medicine. He obtained his undergraduate degree from University of California Berkeley in 1996 and his Doctor of Medicine degree from University of California San Diego in 2000. He completed his emergency medicine residency at Drexel University College of Medicine in Philadelphia, PA in 2008 and his medical toxicology fellowship at Drexel in 2010. Dr. Vearrier was core faculty for the emergency medicine residency and medical toxicology fellowship at Albert Einstein Healthcare Network from 2010 to 2011 before returning to Drexel University College of Medicine as core faculty for the emergency medicine residency and the medical toxicology fellowship director from 2011 to 2019. He obtained his Master of Public Health degree at Drexel University School of Public Health in 2013. He completed his occupational medicine residency at University of Pennsylvania in Philadelphia, PA in 2015. Dr. Vearrier came to University of Mississippi Medical Center in 2020 where he serves as chief of the division of medical toxicology and service chief for medical toxicology. He is the program director for the medical toxicology fellowship, associate program director for the preventive medicine residency, co-medical director of student and employee health, core faculty for the emergency medicine residency, and the institution’s medical review officer. Dr. Vearrier is very active in academic endeavors having published numerous peer-reviewed publications and book chapters, serving as a peer reviewer for journals in the occupational medicine and medical toxicology fields, and serving as a Chief Editor at Medscape.

Dr. Kristen Kolleda is the Director of Emergency Management for University of Kansas Medical Center.  She also works for Purdue Global as an adjunct professor for their program in emergency management. Kristen has worked in healthcare emergency management for over a decade, with experience in both academic health systems, and pediatric hospitals, working in both urban and rural settings.  She began her role in emergency management after finishing her Master’s in Public Health in Epidemiology with a specialization in Global Emergencies from San Diego State University and completing a fellowship at Children’s Hospital of Philadelphia.  She went on to build emergency management programs at Rideout Health (CA), Prisma Health (SC), and most recently, Children’s Mercy (MO).  She is a Certified Emergency Manager for the International Association of Emergency Managers and currently serves as a Vice Chair for the IAEM Healthcare Caucus. Kristen has received her PhD in Fire and Emergency Management from Oklahoma State University. 

Nicholas E. Nacca, MD, FACMT is an Assistant Professor of Emergency Medicine, Director of Medical Toxicology, and Associate Fellowship Director of the Medical Toxicology Fellowship Program at the University of Rochester Medical Center (URMC). In addition to his role within the Department of Emergency Medicine, Dr. Nacca holds a secondary appointment in the Department of Environmental Medicine. As Director of Medical Toxicology, Dr. Nacca oversees the educational and clinical operations of the medical toxicology consultation service, where he is actively involved in training medical toxicology fellows, as well as mentoring multidisciplinary teams that include medical residents, pharmacy residents, and medical students. He also staffs and directs a referral-based outpatient Medical Toxicology Clinic, where he provides specialized care to patients requiring toxicological evaluation and treatment. Dr. Nacca’s work bridges clinical practice and education, emphasizing the development of the next generation of toxicology professionals while providing expert consultation in both inpatient and outpatient settings.

Lewis S. Nelson, MD is Professor and Chair of the Department of Emergency Medicine at Rutgers New Jersey Medical School, Chief of Service for the Emergency Department at University Hospital of Newark, and Senior Consultant to the New Jersey Poison Information & Education System. Dr. Nelson is board certified in emergency medicine, medical toxicology, and addiction medicine. His areas of specific interest include preventing and managing the consequences of opioid and other substance use, multimodal pain management strategies, health policy, and medication safety.

Dr. Nelson has served as President of American College of Medical Toxicology and on the Board of Directors of both the American Board of Emergency Medicine and the Accreditation Council for Continuing Medical Education. He is currently the president of Association of Academic Chairs in Emergency Medicine. He is a long time consultant for several governmental agencies including the Centers for Disease Control and Prevention, the Department of Homeland Security, and the Food and Drug Administration. He is an editor of the textbook “Goldfrank’s Toxicologic Emergencies.

John W. Downs, MD MPH, is a graduate of the Virginia Military Institute and served two years as a US Army infantry officer, prior to attending medical school at the Uniformed Services University of the Health Sciences (USU). Dr. Downs completed residency training in internal medicine at Tripler Army Medical Center, Honolulu, Hawaii, and in occupational & environmental medicine at USU, where he also completed a Master of Public Health degree. Dr. Downs later completed a fellowship in medical toxicology at the Virginia Commonwealth University (VCU) Health System. Prior to his recent arrival as medical toxicology faculty at VCU in summer 2024, Dr. Downs was a US Army officer for more than 20 years. His final active-duty tour was at the Uniformed Services University where he was an Associate Professor and the Associate Program Director for the Occupational and Environmental Medicine residency, and an attending physician at Walter Reed National Military Medical Center. 

His military medical experience includes multiple tours as senior medical officer to special operations and light infantry units to include deployments to operations in Iraq and Afghanistan. Dr. Downs’s public health experience includes service as Chief of the Department of Preventive Medicine at Fort Campbell, Kentucky, and Chief, Occupational & Environmental Medicine Service, Walter Reed National Military Medical Center during the COVID-19 pandemic. Dr. Downs is board certified as a physician in internal medicine, occupational & environmental medicine, and medical toxicology. Dr. Downs also holds allied health certifications as a certified public health professional (CPH), and Diplomate of the American Board of Toxicology (DABT). Dr. Downs is a recipient of the Army Surgeon General’s 9A Proficiency Designation in occupational and environmental medicine. He has authored more than 25 peer-reviewed publications. He is a Fellow of the American College of Physicians, and the American College of Occupational and Environmental Medicine.

Nicholas E. Nacca, MD, FACMT is an Assistant Professor of Emergency Medicine, Director of Medical Toxicology, and Associate Fellowship Director of the Medical Toxicology Fellowship Program at the University of Rochester Medical Center (URMC). In addition to his role within the Department of Emergency Medicine, Dr. Nacca holds a secondary appointment in the Department of Environmental Medicine. As Director of Medical Toxicology, Dr. Nacca oversees the educational and clinical operations of the medical toxicology consultation service, where he is actively involved in training medical toxicology fellows, as well as mentoring multidisciplinary teams that include medical residents, pharmacy residents, and medical students. He also staffs and directs a referral-based outpatient Medical Toxicology Clinic, where he provides specialized care to patients requiring toxicological evaluation and treatment. Dr. Nacca’s work bridges clinical practice and education, emphasizing the development of the next generation of toxicology professionals while providing expert consultation in both inpatient and outpatient settings.

Timothy J. Wiegand, MD, FACMT, FAACT, DFASAM is an Associate Professor of Emergency Medicine and Public Health Sciences at the University of Rochester Medical Center (URMC) in Rochester, New York. Board-certified in both Medical Toxicology and Addiction Medicine, Dr. Wiegand specializes in Addiction Toxicology, combining clinical practice with research, teaching, and leadership roles. He has served two terms on the Board of Directors for the American College of Medical Toxicology (ACMT) and is currently on the Board of Directors for the American Society of Addiction Medicine (ASAM). In 2023, he began a two-year term as Treasurer of ASAM, having previously served as Vice President on the Executive Council. Dr. Wiegand founded and led the Toxicology Service at URMC until 2022, when he transitioned to Director of Addiction Medicine and Director of Addiction Medicine Consults in the Department of Emergency Medicine. He also serves as Fellowship Director for the URMC Combined Addiction Medicine Fellowship and is leading efforts to launch the URMC Medical Toxicology Fellowship, which is expected to be formally accredited by July 2023.

Since 1986, Gloria Baciewicz has specialized in the treatment of addiction. Professor of clinical psychiatry at the University of Rochester Medical Center, she serves as an addiction psychiatrist at Strong Recovery. Dr. Baciewicz is certified in addiction medicine by the American Board of Preventive Medicine and board certified in psychiatry, with added qualifications in addiction psychiatry. Dr. Baciewicz is a co-principal investigator for the University of Rochester’s Recovery Center of Excellence.

Dr. Marlin grew up in Tupelo, Mississippi, and graduated from Tupelo High School in 2003. He attended Mississippi State University where he ran cross country and track & field. Michael graduated from MSU in 2007 with a Bachelor of Science in Microbiology. He completed his medical school training and his emergency medicine residency at the University of Mississippi Medical Center. Michael completed his medical toxicology fellowship at the Rocky Mountain Poison and Drug Safety in Denver, Colorado in 2017. He is board-certified in emergency medicine, medical toxicology, and addiction medicine.

Dr. Stephanie Weiss is the Staff Research Physician serving the Translational Addiction Medicine Branch of the National Institute on Drug Abuse’s Intramural Research Program. After earning a Ph.D. in pharmaceutical chemistry, Dr. Weiss received her medical degree in 2011.  She is board certified in emergency medicine, addiction medicine, and medical toxicology and was selected to participate in the Boston University Research in Addiction Medicine Scholars Program prior to joining NIDA.  Dr. Weiss is responsible for providing optimal, safe, and ethical care to study participants and clinical support toward the TAMB mission conducting inpatient and outpatient proof-of-concept human laboratory studies. Her research interests include novel psychoactive substances, medication misuse, and improving interpretation of urine drug testing.

Lewis S. Nelson, MD is Professor and Chair of the Department of Emergency Medicine at Rutgers New Jersey Medical School, Chief of Service for the Emergency Department at University Hospital of Newark, and Senior Consultant to the New Jersey Poison Information & Education System. Dr. Nelson is board certified in emergency medicine, medical toxicology, and addiction medicine. His areas of specific interest include preventing and managing the consequences of opioid and other substance use, multimodal pain management strategies, health policy, and medication safety.

Dr. Nelson has served as President of American College of Medical Toxicology and on the Board of Directors of both the American Board of Emergency Medicine and the Accreditation Council for Continuing Medical Education. He is currently the president of Association of Academic Chairs in Emergency Medicine. He is a long time consultant for several governmental agencies including the Centers for Disease Control and Prevention, the Department of Homeland Security, and the Food and Drug Administration. He is an editor of the textbook “Goldfrank’s Toxicologic Emergencies.

Kristen Huntley, PhD, is the Associate Director and Addiction Medicine Team Leader in the Center for the Clinical Trials Network (CCTN), National Institute on Drug Abuse (NIDA), National Institutes of Health (NIH). Dr. Huntley also serves as a Scientific Officer for multi-site clinical research projects studying the effectiveness and implementation of interventions for the treatment of substance use disorders. She provides leadership for selected projects conducted through the NIDA CTN Dissemination Initiative, and is the NIDA CCTN contact for research conducted in emergency medicine settings. 

During her tenure at NIH Dr. Huntley has served as a Scientific Review Officer at NIDA and as a Program Director at the National Center for Complementary and Integrative Health (NCCIH) where she managed a portfolio of pain management research grants and led efforts to build collaborations with other federal agencies to encourage research on the use of integrative approaches and models of care for pain management in military and veteran populations. Prior to working at NIH, Dr. Huntley was on the faculty of Case Western Reserve University School of Medicine, a project director at a market research firm, and worked as a clinical psychologist in a variety of community and medical settings. Dr. Huntley has a Ph.D. in clinical psychology and over 30 years of experience in government, academic, research, and clinical settings.

Dr. Jana Drgonova supports innovative research programs in development of pharmacotherapies for substance use disorders through preclinical safety and efficacy assessments, and through planning and development of clinical studies. Before joining NIDA, Dr. Drgonova was a Scientific Program Manager at the VA Office of Research and Development where she managed a portfolio that included preclinical and clinical research on alcohol and substance use disorders, pain, and medical cannabis. Dr. Drgonova obtained her PhD in Biochemistry from the Slovak Technical University and gained her research experience in substance use disorders during her 13 years at the NIDA intramural program. There she used animal models and behavioral and molecular approaches to evaluate the role of genes implicated in vulnerability to drug addiction. Her other interests include text mining and natural language processing.

Mr. Brian Marquis joined the NIDA Communications Branch (CB) in January 2002 as the Information Center Manager. He is now the NIDA Public Liaison Officer and connects with organizations across the country with the help of NIDA publications and Web sites. Prior to joining the branch, Mr. Marquis worked at the Agency for Healthcare Research and Quality Publications Clearinghouse and as a contractor at National Heart, Lung, and Blood Institute. He has a B.S. in Family Studies from University of Maryland, College Park.

Dr. Lindsey Ann Martin is a Health Scientist Administrator (Program Officer) in the Services Research Branch in the Division of Epidemiology, Services, and Prevention Research (DESPR) at the National Institute on Drug Abuse (NIDA). Her portfolio areas include quality measurement and recovery services. In addition to her role at NIDA, Dr. Martin serves as a project scientist for the NIH Common Fund's Transformative Research to Address Health Disparities and Advance Health Equity initiative, as well as the Community Partnerships to Advance Science for Society (ComPASS) initiative. Dr. Martin has a PhD in anthropology, with a specialization in medical anthropology, from Wayne State University and completed a VA Advanced Fellowship in Health Services Research and Development at the Center for Innovations in Quality, Effectiveness & Safety (IQuESt) at the Michael E. DeBakey VA Medical Center.

Nicholas E. Nacca, MD, FACMT is an Assistant Professor of Emergency Medicine, Director of Medical Toxicology, and Associate Fellowship Director of the Medical Toxicology Fellowship Program at the University of Rochester Medical Center (URMC). In addition to his role within the Department of Emergency Medicine, Dr. Nacca holds a secondary appointment in the Department of Environmental Medicine. As Director of Medical Toxicology, Dr. Nacca oversees the educational and clinical operations of the medical toxicology consultation service, where he is actively involved in training medical toxicology fellows, as well as mentoring multidisciplinary teams that include medical residents, pharmacy residents, and medical students. He also staffs and directs a referral-based outpatient Medical Toxicology Clinic, where he provides specialized care to patients requiring toxicological evaluation and treatment. Dr. Nacca’s work bridges clinical practice and education, emphasizing the development of the next generation of toxicology professionals while providing expert consultation in both inpatient and outpatient settings.