Addiction Toxicology Case Conference - November 2023

Dr. Tim Wiegand is the Director of Toxicology Consults and President of CMO Medicine and Toxicology & Addiction Consulting. 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.

Since 1986, Dr. 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.

Lewis S. Nelson, MD, MBA, is Dean and Chief of Health Affairs at Florida Atlantic University’s Charles E. Schmidt College of Medicine. A nationally recognized leader in emergency medicine, medical toxicology, and addiction medicine, Dr. Nelson brings over three decades of experience in clinical care, education, and academic leadership. Prior to joining FAU in 2025, he served as Professor and founding Chair of Emergency Medicine at Rutgers New Jersey Medical School, where he also led the Division of Medical Toxicology and Addiction Medicine and served as Chief of Service for the Emergency Department at University Hospital of Newark.

Dr. Nelson has held numerous national leadership positions, including President of the American College of Medical Toxicology and the Association of Academic Chairs in Emergency Medicine, and board roles with the American Board of Emergency Medicine, the Accreditation Council for Continuing Medical Education, and the Society for Academic Emergency Medicine. A prolific scholar, he has authored more than 300 peer-reviewed publications and serves as lead editor of Goldfrank’s Toxicologic Emergencies, the definitive reference in medical toxicology. His work focuses on emergency medicine, toxicology, addiction medicine, and health policy, with an emphasis on improving patient safety and advancing evidence-based care.

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.