Dr. Dan Ciccarone is the Justine Miner Professor in Addiction Medicine in the Department of Family and Community Medicine at UCSF. He has been the principal or co-investigator on numerous NIH-sponsored public health research projects, including his current Synthetics in Combination (SYNC) study. He is a recognized international scholar on the medical, public health, and public policy dimensions of substance use, risk, and consequences. He consults for numerous private and public entities, including the Office of National Drug Control Policy (ONDCP), the US Centers for Disease Control and Prevention (CDC), and the US Food and Drug Administration (FDA). For over 20 years "Dr. Dan" has been actively involved in expanding the use of clinical harm reduction technologies and services, e.g., naloxone, buprenorphine, and drug checking. He has provided harm reduction-based clinical services at several SF syringe exchanges and is currently the volunteer Medical Director of Remedy Alliance, the US’ largest not-for-profit wholesale distributor of naloxone.

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.

Gillian Beauchamp, MD, is Vice Chair for Education and Community Engagement in the Lehigh Valley Health Network Department of Emergency and Hospital Medicine & Division of Medical Toxicology. She is an Associate Professor at USF Morsani College of Medicine, and Adjunct Clinical Associate Professor at Jefferson University. 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; and is co-host for the Tox in Ten: ACMT Highlights podcast.

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.

Anthony Spadaro attended the University of Pennsylvania where he completed his MD and MPH. He then completed his residency in Emergency Medicine at the Hospital of the University of Pennsylvania. As a resident, his research interests included naloxone distribution in the ED, the impacts of fentanyl on precipitated withdrawl, and emerging novel psychoactives in the drug supply such as xylazine. He is also interested in harm reduction and social emergency medicine. In his free time, he enjoys running long distances, walking his dog, and watching Star Trek.

Dr. Tim Wiegand 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). From 2023-2025, he served as Treasurer of ASAM, having previously served as Vice President on the Executive Council. From 2025-2027, Dr. Wiegand will serve as ASAM President Elect and then ASAM President (2027-2029). 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.