Dr Aaron Frey is an emergency medicine physician and medical toxicologist. He studied government and international studies at Campbell University in North Carolina and Spanish at Middlebury College in Vermont.  He worked as a firefighter, emergency medical technician, and search and rescue diver during his undergraduate career. The experiences he had in those roles are what influenced him to become a physician. His particular interests include hazardous materials and chemical, biological, radiological, and nuclear (CBRN) weapons, remote, austere, and wilderness medicine, and damage control resuscitation. He currently practices emergency medicine and toxicology at the Wellspan York Hospital in York, PA and holds an academic appointment of assistant professor of emergency medicine and medical toxicology at Drexel University College of Medicine.

Dr Fiona Garlich Horner is the Head of Medical Toxicology at Los Angeles County + University of Southern California (LAC+USC) Medical Center, and an Assistant Professor of Clinical Emergency Medicine at the University of Southern California Keck School of Medicine. She is a graduate of Oregon Health Sciences University School of Medicine in Portland, Oregon, and completed her residency in Emergency Medicine at Hennepin County Medical Center in Minneapolis, Minnesota. After completing a fellowship in Medical Toxicology at New York University and the New York City Poison Control Center, she served as an attending emergency physician and medical toxicologist with the Poison and Drug Information Service (PADIS) in Calgary, Alberta, Canada. 

Dr. Garlich is now an attending emergency physician and medical toxicologist at LAC+USC Medical Center in Los Angeles, California, one of the largest and busiest public hospitals in the United States. She is the director of the inpatient toxicology consultation service and the resident toxicology rotation, as well as the chair of the hospital’s medication safety committee. Her primary academic interests lie in toxicology education and advancing the care of vulnerable and incarcerated populations.

Dr. Hantsch is a graduate of the Honors Program in Medical Education at Northwestern University. She completed an emergency medicine residency, including a year as chief resident, at the Medical College of Wisconsin and then continued her training in a medical toxicology fellowship at Vanderbilt University. After her fellowship, she spent nearly 22 years at Loyola University Chicago Stritch School of Medicine and Loyola University Medical Center. There, she established an inpatient toxicology clinical service and clinical rotations for graduate medical trainees and students in multiple fields. With an interest in medication management and safety, she joined the hospital Pharmacy and Therapeutics Committee, serving as member for 6 years before being appointed chair and leading the committee for another 6 years. Dr. Hantsch earned the academic rank of Professor of Emergency Medicine, was Director of the Division of Toxicology, and Director of Academic Affairs in the Department of Emergency Medicine. As a clinical faculty member, she was appointed to the Stritch Committee on Academic Rank and Tenure, serving for 7 years including 2 as a subcommittee chair leading revision of the clinician educator track guidelines. In 2018, she was the founding Program Director of the Loyola emergency medicine residency. Dr. Hantsch served for more than 8 years as Medical Director of the Illinois Poison Center. In addition, she is a regular organizer and contributor to many local, regional, and national/international continuing education programs. After leaving academics, she worked for the U.S. FDA in pharmacovigilance for a year. As of 2022, she is board certified in addiction medicine in addition to emergency medicine and medical toxicology. Dr. Hantsch was elected to the ACMT Board of Directors in 2021, is a member of the Education Committee, and chair of the Practice Committee.

Dr. Kelly Johnson-Arbor is a medical toxicology and hyperbaric medicine physician at MedStar Georgetown University Hospital. She is triple board-certified in Emergency Medicine, Medical Toxicology, and Undersea and Hyperbaric Medicine. She completed her undergraduate education at Harvard College and earned her medical degree from Loyola University Stritch School of Medicine. She completed a residency in Emergency Medicine at the University of Rochester, followed by a fellowship in Medical Toxicology at the University of Connecticut. From 2018 through 2023, she served as the co-medical director of National Capital Poison Center, and she has provided medical toxicology consultation services to the Connecticut Poison Control Center since 2006. Since 2015, she has served as medical director of hyperbaric medicine at MedStar Georgetown University Hospital, and she also maintains an outpatient medical toxicology clinic at this facility. She is an Assistant Professor of Plastic Surgery and Emergency Medicine at the Georgetown University School of Medicine and serves as an associate faculty member of the MedStar Institute for Quality and Safety. 

An avid researcher and writer, Dr. Johnson-Arbor has published numerous articles in peer-reviewed medical journals including New England Journal of Medicine, JAMA Internal Medicine, and Annals of Emergency Medicine. She enjoys teaching toxicology principles and hyperbaric medicine to the public as well as medical professionals. Her work as both a hyperbaric medicine and medical toxicology physician has allowed her to gain unique perspectives on the diagnosis and treatment of acute and chronic carbon monoxide poisoning as well as their long-term complications.

Dr. King is an Emergency medicine physician, Medical Toxicologist and Addiction Medicine specialist at the Detroit Medical Center and Wayne State University. He works as an emergency physician at Sinai Grace and Detroit Receiving Hospitals. He additionally works at the Tolan Park Research Center where he sees patients with substance use disorders. He is the interim director of the Michigan Poison and Drug Information Center and the Fellowship Director of the Medical Toxicology Fellowship. He is excited to be an organizer and presenter at the Total Tox Course!

Michael Levine is a Los Angeles native, who completed his emergency medicine residency at the Harvard Affiliated Emergency Medicine program, based out of Brigham and Women’s Hospital and Massachusetts General Hospital. After residency, he completed his medical toxicology fellowship at Banner Good Samaritan Medical Center in Phoenix, AZ. After staying as faculty for a year in Phoenix, he moved back to Los Angeles, where he joined the faculty at USC. He is currently the division chief of medical toxicology. He is actively involved in patient care, research, and serves on numerous hospital and university committees. He is an active member of American College of Emergency Physicians, the American College of Medical Toxicology, and is a member of the Toxicology Investigator's Consortium.

Lt Col Maddry earned his Bachelor’s Degree from the US Air Force Academy in 2001 as a Distinguished Graduate. His first assignment was as Officer in Charge of Bioenvironmental Engineering at Minot Air Force Base, North Dakota. During his tenure, he led his unit’s response to the largest anhydrous ammonia spill in U.S. history. He then attended medical school at the Uniformed Services University, earning Alpha Omega Alpha membership honors. He completed his emergency medicine residency at SAUSHEC and his medical toxicology fellowship at the Rocky Mountain Poison and Drug Center in Denver, Colorado.

Following fellowship, Lt Col Maddry returned to Brooke Army Medical Center as an emergency physician and medical toxicologist. He served as Chief of the BAMC Simulation Center from 2014 to 2015.  Subsequently, he served as Director of the US Air Force En route Care Research Center (ECRC) from 2015 to 2020. In this position, he oversaw 20 personnel and a $14.8 million research portfolio. He is an author of over 100 peer reviewed publications and 150 research presentations and has been awarded over $28 million in research grants. The Society of Academic Emergency Medicine recognized Dr. Maddry’s research as one of the best publications of 2014. Lt Col Maddry was awarded the Defense Health Board Early Career Investigator Award, the 2017 USAF Outstanding Achievement in Clinical Research award and the 2018 Military Health System Research Symposium Small Team Research Accomplishment Award for Excellence. 

Lt Col Joseph Maddry is currently the Deputy Commander of the US Army Institute of Surgical Research, overseeing over 700 personnel focused on optimizing combat casualty care. Dr. Maddry also serves as Director of Medical Toxicology at Brooke Army Medical Center and as the Director of the Clinical Resuscitation, Emergency Sciences, Toxicology, and Triage (CREST2) Research Program. He leads the development of the next generation of military researchers by serving as the Director of the SAUSHEC Military Emergency Medicine Research Fellowship and as Director of the Clinician Scientist Investigator Opportunity Network (CSION). 

He is an Associate Professor of Emergency Medicine with the Uniformed Services University and has academic appointments at the University of Texas Health, Texas A&M, and the University of Colorado Denver. Lt Col Maddry has served in Afghanistan, Iraq, Haiti, Japan and Burkina Faso.

Dr. McKay was trained in Anatomic and Surgical Pathology, Internal Medicine, Emergency Medicine, Medical Toxicology and was a Medical Director of Occupational Health and Medical Review Officer for a hospital system during more than 30 years of clinical practice, during which he provided toxicology consultation at 3 hospitals, directed a medical toxicology fellowship training program, and provided medical oversight of a regional poison control center. He provides medical legal consultation across the country on toxicology-related issues, and has testified in nearly 100 cases, many related to questions of alcohol- and drug-induced impairment.

Dr. Evan 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.