Conferences & Events > Total Tox Course > Faculty Bios


Maryann Amirshahi, PharmD, MD, MPH, PhD, FACMT

Associate Professor of Emergency Medicine, Georgetown University School of Medicine
MWHC_WASHINGTON_MaryAnn_Mazer_Amirshahi_MD_202_20Emergency_20Medicine.jpgMaryann Amirshahi completed her PharmD 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, 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. She is board certified in emergency medicine, medical toxicology, addiction medicine, and clinical pharmacology. She is an Assoicate Professor of Emergency Medicine at the Georgetown University School of Medicine and practices clinically at MedStar Washington Hospital Center and Children’s National Medical Center. She serves as a toxicology consultant for the Mid-Atlantic Center for Children’s Health and the Environment and the National Capital Poison Center. Her research interests include medication safety, medical toxicology, drug shortages, and prescription drug abuse.

Ann Arens, MD

Doctor, Hennepin Healthcare System, Hennepin County Medical Center
Arens_Pic.jpgDr. Arens is an Emergency Medicine physician at Hennepin County Medical Center in Minneapolis, MN as well as an Assistant Professor of Emergency Medicine at the University of Minnesota. She is also a practicing medical toxicologist at Hennepin County Medical Center and the Minnesota Poison Control System. Dr. Arens completed her Emergency Medicine training at the Denver Health Residency in Emergency Medicine, and her medical toxicology training at the University of California – San Francisco. She was amongst the first toxicologists to identify and describe counterfeit fentanyl products as a medical toxicology fellow, and has continued to identify outbreaks of new drugs of abuse. She has a broad range of research interests including: the identification of new drugs of abuse including novel opioids contributing to the current opioid epidemic, the use of antidotes, and advanced supportive care of the poisoned patient.

Suzanne Doyon, MD, MPH

Medical Director, Connecticut Poison Control Center; Assistant Professor, Department of Emergency Medicine, UConn Health
doyon.jpgSuzanne Doyon, received her medical degree from McGill University in Montreal, Canada. Dr Doyon completed her residency in emergency medicine at McGill University and completed training in medical toxicology at the Medical College of Pennsylvania in Philadelphia, PA. She is board-certified in emergency medicine, medical toxicology, and addiction medicine. Additionally Dr Doyon completed a Masters of Public Health at University of Maryland in 2018. She is Assistant Professor in the Department of Emergency Medicine at University of Connecticut School of Medicine and is the Medical Director of the Connecticut Poison Control Center. Her research and public health interest include acetaminophen toxicity, naloxone distribution, and opioid use disorder.

Christina Hantsch, MD, FACEP, FACMT, FAACT

Professor of Emergency Medicine, Director of the Division of Toxicology, Director of Academic Affairs, Department of Emergency Medicine, Loyola University Chicago Stritch School of Medicine; Medical Director of Toxicology, Loyola University Medical Center
christina.jpgDr. 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 returned to the Chicago area and is currently Professor of Emergency Medicine and Director of the Division of Toxicology in the Department of Emergency Medicine at the Loyola University Chicago Stritch School of Medicine. Dr. Hantsch served for more than 8 years as medical director of the Illinois Poison Center. For nearly 20 years, she has been teaching residents and students in the emergency department as well as on the inpatient toxicology clinical service which she established at Loyola. In addition, she is a regular organizer and contributor to local, regional, and national/international continuing education programs.

Kelly Johnson-Arbor, MD, FACEP, FUHM, FACMT

Medical Director of Hyperbaric Medicine, Center for Wound Healing and Hyperbaric Medicine, MedStar Georgetown University Hospital
KJA_picture_2018.jpgDr. Johnson-Arbor is board certified in Emergency Medicine, Medical Toxicology, and Undersea and Hyperbaric Medicine, through the American Board of Emergency Medicine. She completed her residency in Emergency Medicine at the University of Rochester Medical Center as well a fellowship in Medical Toxicology at the University of Connecticut. Currently, Dr. Johnson-Arbor serves as the medical director of hyperbaric medicine at MedStar Georgetown University Hospital in Washington, DC, and is co-medical director of National Capital Poison Center. Dr. Johnson-Arbor maintains medical toxicology and hyperbaric medicine clinics at MedStar Georgetown University Hospital, and regularly teaches medical toxicology and hyperbaric medicine topics to third and fourth year medical students, residents, and pharmacology students. Her current research interests include undergraduate medical education in hyperbaric medicine, the use of hyperbaric oxygen therapy for compromised mastectomy flaps, and the practice of bloodless medicine.

Michelle Hieger, DO, MS

Emergency Physician and Medical Toxicologist, Wellspan Health York Hospital
mh_photo.jpgCurrently working as an Emergency Physician and Medical Toxicologist at WellSpan Health, York Hospital. I graduated from emergency medicine residency in 2016 and from medical toxicology fellowship in 2018. I am section director for Medical Toxicology and core faculty for the EM residency.

Bryan Judge, MD, FACMT

Professor of Emergency Medicine, Michigan State University College of Human Medicine, Grand Rapids Medical Education Partners
B_Judge_-_2019_1_.jpgBryan S. Judge, MD, FACMT, is an emergency medicine physician and medical toxicologist and practices in Grand Rapids, MI, and Laurium, MI. He graduated from Wayne State University School of Medicine in Detroit, MI and completed his residency in emergency medicine in Grand Rapids at the Grand Rapids Medical Education & Research Center | Michigan State University, and his medical toxicology fellowship at Indiana University | Indiana Poison Center in Indianapolis, IN.

He is currently a Professor in the Department of Emergency Medicine, Michigan State University | College of Human Medicine. Academic interests include a broad array of topics within the disciplines of emergency medicine, medical toxicology, and medical education. His most fascinating scientific achievement is helping ‘discover’ a new poisonous mushroom species, Cortinarius orellanosus.

When not in search of another mountain hunting adventure across the globe, you’ll find him enjoying his family, friends, or occasionally the complexities of a fine scotch.

Katherine Katzung, MD, FASAM

Vice Chair, Emergency Department, Abbott Northwestern Hospital
Katherine Katzung, MD is an attending physician in the emergency department at Abbott Northwestern, where she serves as vice chair of the department as well as a consultant for the Minnesota Poison Control System and assistant medical director of Mission Detox Center in Plymouth, MN.  She recently received grant funding to initiate a hospital-based toxicology/addiction medicine consult service and an ED-based addiction medicine "bridge" clinic to provide continuity of care for patients on medication assisted therapies while transitioning to community-based management.
A graduate of the University of Minnesota School of Medicine, she completed emergency medicine training at Regions Hospital in St. Paul and additional fellowship training in medical toxicology.  She is board certified in emergency medicine, medical toxicology, and addiction medicine.  Her clinical interests surround the intersection of these 3 specialties, with special focus on early ED & hospital-based interventions to evaluate and treat substance use disorder, including initiation of medication assisted therapies.

Ken Kulig, MD, FACMT

Medical Toxicologists, Toxicology Associates Prof LLC
Dr. Kulig is a graduate of Wayne State University Medical School, the Emergency Medicine Residency at Denver Health, and the Toxicology Fellowship at the Rocky Mountain Poison Center. He was the Director of that Toxicology Fellowship for 10 years. He has been board certified in Medical Toxicology for over 30 years and in Emergency Medicine for 20. He is one of the founding partners of Toxicology Associates, Prof LLC in Denver in 1995. He has been involved in numerous medication safety initiatives locally and nationally. He is the 2017 ACMT Ellenhorn Award recipient.

William "Russ" Kerns, II, MD, FACEP, FACMT

Professor of Emergency Medicine, Director, Division of Medical Toxicology, Carolinas Medical Center
Russ is a Professor of Medical Toxicology and Emergency Medicine at Carolinas Medical Center, Charlotte, NC. His professional goal is to promote the sub-specialty practice of Medical Toxicology through clinical care, research, and education.  Research endeavors have included new antidotes, cardiovascular toxins, decontamination, toxic alcohols, and crotaline snake envenomation. Educational efforts include national and international didactic presentations, journal and textbook contributions, and journal peer review. Professional service to the American College of Medical Toxicology on the Board of Directors, Chair of the Research Committee, and Annual Scientific Meeting Planning Committees have been immensely rewarding experiences.

Charles McKay, MD, FACEP, FACMT

Past President, American College of Medical Toxicology; University of Connecticut School of Medicine
McKay-Photo-2017--125.jpgDr. McKay is a medical toxicologist at Hartford Hospital and the University of Connecticut School of Medicine. His formal training has been in Pathology, Internal Medicine, Emergency Medicine and Medical Toxicology. Dr. McKay is the Associate Medical Director of the Connecticut Poison Control Center. He provided toxicology consultation at three hospitals and was also the Medical Director of Occupational Health Services for Hartford Hospital and Connecticut Childrens’ Medical Center before retiring this year. He was the Medical Toxicology Fellowship Director at Hartford Hospital/University of Connecticut School of Medicine for 20 years. He is the Principal Investigator for several laboratory-based clinical studies including population assessments of pChE and AChE. Under contract to DHS, he led the American College of Medical Toxicology’s (ACMT’s) development of a practical toxicology principles course for law enforcement, and participates in ACMT’s contracts and cooperative agreements with the CDC and DHS regarding chemical and environmental exposures. He lectures widely on chemical terrorism and risk communication, including the ACMT Chemical Agents of Opportunity Course, provided to more than 10,000 participants in the last 16 years. He provides medical-legal consultation and education in both civil and criminal matters. He is on the Executive Board of Directors of the American College of Medical Toxicology, currently serving as Immediate Past-President.

Lewis Nelson, MD, FACMT

Chair of the Department of Emergency Medicine, Rutgers New Jersey Medical School
Nelson.jpgDr. Nelson is Professor and Chair of the Department of Emergency Medicine, Chief of Service of the University Hospital Emergency Department, and Director of the Division of Medical Toxicology at Rutgers New Jersey Medical School, all in Newark, NJ. He is a Past-President of ACMT, the lead editor of Goldfrank’s Toxicologic Emergencies, and a consultant to the NJ Poison Center. His areas of specific interest include the consequences of opioids, multimodal (opioid-sparing) pain management strategies, emerging substances of abuse, addiction medicine, and medication safety.

Daniel Sessions, MD

Emergency Care Consultants, Minneapolis, MN; Medical Toxicologist, South Texas Poison Center
Daniel_Sessions_1_.jpgDr. Sessions completed medical school at LSU School of Medicine - New Orleans on the Army Health Professions Scholarship. He completed his emergency medicine residency and chief residency at Brooke Army Medical Center. He completed his medical toxicology fellowship at the Rocky Mountain Poison & Drug Center in Denver, Colorado. He has served as Chief of the Clinical Toxicology service at Brooke Army Medical Center and Associate Program Director of the Emergency Medicine Residency. He has provided toxicology teleconsultation for the Department of Defense ADVISOR program since its inception. He currently serves as a medical toxicologist at the South Texas Poison Center and Minnesota Poison Control System. He currently practices addiction medicine and toxicology with Emergency Care Consultants in Minneapolis, MN. His areas of interest are envenomations, performance-enhancing substances and supplements, and addiction medicine.

Andrew Stolbach, MD, MPH, FACMT

Associate Professor of Emergency Medicine, Johns Hopkins Medicine
Stolbach.jpgAndrew Stolbach is a medical toxicologist and emergency physician at Johns Hopkins Hospital. He is a co-Chair of the Johns Hopkins Hospital IRB and a member of the ACMT Board of Directors.

Paul W. Wax, MD, FACMT

Executive Director, American College of Medical Toxicology
Wax_Paul.jpgDr. 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.
Along with his part time role as the Executive Director of ACMT, Dr. Wax is a Clinical Professor in Surgery (Emergency Medicine) at the University of Texas, Southwestern School of Medicine where he is a member of the Section of Medical Toxicology and Director of the Medical Toxicology Clinic. Before joining ACMT in 2008 as its Executive Director, and the University of Texas Southwestern in 2006 as a part-time faculty member, Dr. Wax had faculty appointments in the Departments of Emergency Medicine at the University of Rochester School of Medicine from 1991-2001 and the University of Arizona School of Medicine from 2001-2006. Dr. Wax previously served on the Board of Directors of ACMT from 1998-2008 serving as ACMT President from 2006-2008. During this tenure he chaired the ACMT Education Committee from 1998-2002. From 2002-2006 Dr. Wax served as the National Director of ACMT's Consultation Network to support the ATSDR Regional Offices and was co-founder of ACMT’s Chemical Agent of Opportunity course. From 1997-2006 Dr. Wax also served as one of the American Board of Emergency Medicine’s appointee’s on the Medical Toxicology Subboard. During this time Dr. Wax served as Editor of the Medical Toxicology Board Certification Examination as well as Chairman of the Subboard, and was also the primary author of the 2004 Core Content of Medical Toxicology. Dr. Wax has also served as a consultant to the Centers for Disease Control NCEH’s Division of Laboratory Sciences and was a member of NCEH/ATSDR Board of Scientific Counselors from 2006-2008. 

Brandon Wills, DO

Associate Professor, Division of Clinical Toxicology, Virginia Commonwealth University Department of Emergency Medicine; Director, Medical Toxicology Fellowship; Associate Medical Director, Virginia Poison Center
Wills.jpgDr. Wills is the Director of the Medical Toxicology Fellowship at VCU, Associate Medical Director of the Virginia Poison Center and also works as an attending physician in emergency medicine.  He is board certified in emergency medicine and medical toxicology.

Joseph Yanta, MD, FACEP

Assistant Professor of Emergency Medicine, University of Pittsburgh Medical Center
YANTA_JOSEPH_MD_EM_20140813.jpgDr. Yanta is a Medical Toxicologist and Emergency Physician at the University of Pittsburgh Medical Center. He serves as the Assistant Program Director of the Medical Toxicology Fellowship. His current research interests include novel pharmaceutical management of withdrawal syndromes, medical consequences of drug adulteration, and biomarkers of hepatic injury after acetaminophen overdose. He is currently the director of Ethics, Law, and Professionalism (a required medical student course) and the Clinical Pharmacology selective. He is active in resident education for both Emergency Medicine and Medical Toxicology.

The faculty for this activity has disclosed no financial relationships with commercial interests.