ACMT Board of Directors

Ziad Kazzi, MD, FACMT
President (2025-2027)
Dr. Kazzi is a Professor at the department of Emergency Medicine and the Director of the International Medical Toxicology Fellowship Program at Emory University. He is also the Assistant Medical Director of the Georgia Poison Center and a Guest Researcher at the CDC National Center of Environmental Health. Read full bio>>
Andrew Stolbach, MD, MPH, FACMT
Vice President (2025-2027)
Dr. Stolbach is Board Certified in Emergency Medicine and Medical Toxicology. He serves as a consultant to the Maryland Poison Center, is a member of the Johns Hopkins Hospital P&T Committee, and is a Johns Hopkins IRB co-Chair. Read full bio>>
Maryann Amirshahi, PharmD, MD, MPH, PhD, FACMT
Secretary/Treasurer (2025-2027)
Dr. Amirshahi is currently an Associate 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 in Washington, DC. Read full bio>>
Anthony Pizon, MD, FACMT
Past President (2025-2027)
Dr. Pizon currently serves as the Chief of the Division of Medical Toxicology and as Director of the Medical Toxicology Fellowship. He is board-certified in Emergency Medicine, Medical Toxicology and Addiction Medicine. Read full bio>>
Gillian Beauchamp, MD, FACMT
Board Member (Term 1: 2025 – 2028)
Dr. Beauchamp is Vice Chair for Education & Community Engagement, and core faculty for the Emergency Medicine Residency and Medical Toxicology Fellowship at Lehigh Valley Health Network in Pennsylvania. She is an associate professor at University of South Florida Morsani College of Medicine and adjunct clinical associate professor of Emergency Medicine at Thomas Jefferson University.
Rob Hendrickson, MD, FACMT
Board Member (Term 1: 2023-2026)
Dr. Hendrickson is currently the Medical Director of the Oregon/Guam Poison Center and the fellowship director of the Medical Toxicology Fellowship, a medical toxicologist, and a Professor of Emergency Medicine at the Oregon Health and Science University/Doernbecher Children’s Hospital.
Michael Holland, MD, FACMT
Board Member (Term 1: 2024-2027)
Dr. Holland is currently the Director of Occupational Medicine for the Saratoga Hospital Medical Group, Saratoga Hospital Employee Health Medical Director, Employee Health Medical Director at Glens Falls Hospital in Glens Falls, NY. Dr. Holland is as a Professor of Emergency Medicine at SUNY Upstate Medical University in Syracuse, NY, and faculty member of the Medical Toxicology Fellowship Training Program and Consulting Medical Toxicologist at the Upstate New York Poison Center.
Joshua King, MD, FACMT
Board Member (Term 2: 2025-2028)
Dr. King is presently Assistant Professor of Medicine and Pharmacy at the University of Maryland, the medical director of the Maryland Poison Center, and the program director of the University of Maryland Nephrology Fellowship. Read full bio>>
Kathy Kopec, DO, FACMT
Board Member (Term 1: 2023-2026)
Following her fellowship, Dr. Kopec worked at Duke University for two years before moving to Carolinas Medical Center in Charlotte, NC, where she has been since 2015. She is currently a Professor of Emergency Medicine at Carolinas Medical Center and the Director of the Medical Toxicology Division at her institution. Dr. Kopec is also the medical toxicology rotation director for medical students, residents, and fellows at CMC. Dr. Kopec is actively involved with her hospital’s medical toxicology fellowship program and inpatient medical toxicology consultation service.
Meghan Spyres, MD, FACMT
Board Member (Term 1)
Dr. Spyres is currently Associate Professor of Emergency Medicine at the University of Arizona—Phoenix as well as faculty in the Department of Medical Toxicology at Banner University Medical Center Phoenix. She serves as Medical Director for the Banner Poison and Drug Information Center in Phoenix, Arizona.
Trevonne Thompson, MD, FACMT
Board Member (Term 1: 2023-2026)
Dr. Thompson is a tenured professor of emergency medicine and medical toxicology at the University of Illinois College of Medicine where he is the head of the Division of Medical Toxicology within the Department of Emergency Medicine. Read full bio>>
Shan Yin, MD, FACMT
Board Member (Term 1: 2024 – 2027)
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.
Paul Wax, MD, FACMT
Executive Director
Dr. Wax became ACMT’s first and only Executive Director in 2008 after serving a two-year term as Board President beginning in 2006. Dr. Wax is currently Adjunct Professor in Emergency Medicine (Medical Toxicology) at UT Southwestern School of Medicine where he has been on faculty since 2006. Read full bio>>

Fellow-in Training Board Members (2025-2026)

Tori Ehrhardt, MD
Emory School of Medicine
Atlanta, GA

Jonathan Meadows, DO
University of Arizona, Tucson
Tucson, AZ

Austin Gay, MD
UT Southwestern
Dallas, TX

Jessica Winkles, MD
Washington University in St. Louis
St. Louis, MO

Past Board Members

Louise Kao, MD, FACMT (2012-2025)
Evan Schwarz, MD, FACMT (2016-2025)
Diane Calello, MD, FACMT (2016-2023)
Bryan Judge, MD, FACMT (2016-2023)
Ayrn O’Connor, MD, FACMT (2016-2023)
Michelle Ruha, MD, FACMT (2009-2023)
Timothy Wiegand, MD, FACMT (2014-2022)
David Juurlink, MD (2018-2021)
Charles McKay, MD (2007-2021)
Leslie Dye, MD (2001-2003; 2009-2019)
William Russ Kerns III, MD (2012-2018)
Steven Aks, DO (2010-2016)
Michele Burns, MD (2011-2016)
Dan Sudakin, MD (2015-2016)
Suzanne White, MD (2005-2016)
A. Nelson Avery, MD (2014-2015)
G. Patrick Daubert, MD (2012-2015)
Eric Lavonas, MD (2012-2015)
Stephen Munday, MD (2010-2015)
Lewis Nelson, MD (2003-2014)
Erica Liebelt, MD (2000-2012)
Howard Greller, MD (2009-2011)
Dan Rusyniak, MD (2010-2011)
Curtis Snook, MD (2002-2004; 2008-2010)
Jeffrey Brent, MD (2007-2009)
Daniel Goldstein, MD (2007-2009)
Keith Burkhart, MD (1996-2008)
Mark Kirk, MD (2007-2008)
Paul Wax, MD (1999-2008)
Christine Haller, MD (2005-2007)
Steven Seifert, MD (2005-2007)
Stephen Borron, MD (2004-2006)
Michael Kosnett, MD (1996-2006)
Kevin Osterhoudt, MD (2004-2006)
Thomas Martin, MD (1999-2004)
Cynthia Aaron, MD (1999-2003)
Robert S Hoffman, MD (1993-2002)
Michael Shannon, MD (1993-2002)
J. Ward Donovan, MD (1993-2000)
Fred Henretig, MD (1995-2000)
Leslie Boyer, MD (1993-1998)
Kent Olson, MD (1993-1998)
Paul Pentel, MD (1993-1998)
William Banner, MD (1993-1996)

Past Board Presidents

Anthony Pizon, MD, FACMT (2023-2025)
Louise Kao, MD, FACMT (2021-2023)
Michelle Ruha, MD, FACMT (2019-2021)
Charles McKay, MD, FACMT (2016-2019)
Leslie Dye, MD, FACMT (2014-2016)
Suzanne White, MD, FACMT (2012-2014)
Lewis Nelson, MD, FACMT (2010-2012)
Erica Liebelt, MD, FACMT (2008-2010)
Paul Wax, MD, FACMT (2006-2008)
Keith Burkhart, MD, FACMT (2004-2006)
Michael Kosnett, MD, FACMT (2002-2004)
Robert S Hoffman, MD (2000-2002)
Michael Shannon, MD, FACMT (1998-2000)
J. Ward Donovan, MD, FACMT (1996-1998)
Paul Pentel, MD, FACMT (1994-1996)
William Banner, MD, PhD, FACMT (1993-1994)

Past FIT Board Members

Kim-Long Nguyen, MD, MBA, Washington University in St. Louis (2024-2025)
Amar Chakraborty, MD, Regions Hospital (2024-2025
Andrew Troger, MD, Boston Children’s Hospital, Boston, MA (2023-2024)
Sonya Rashid, MD, Toxikon Consortium, Chicago, IL (2022-2023)
Michael Semple, DO, Washington University, Saint Louis, MO (2022-2023)
Michael Simpson, MD, Boston Children’s Hospital, Boston, MA (2022-2023)
Marielle Brenner, MD, Indiana University School of Medicine, Indianapolis, IN (2021-2022)
Aaron Frey, DO, University of Virginia, Charlottesville, VA (2021-2022)
Christopher Meaden, MD, Rutgers New Jersey Medical School (2020-2021)
Michelle Geyer Thompson, DO, Banner – University Medical Center Phoenix (2020-2021)
Charlotte Goldfine, MD, University of Massachusetts, Worcester, MA (2019-2020)
Michael Hayoun, MD, UC Davis Health, Sacramento, CA (2019-2020)
Ryan Marino, MD, University of Pittsburgh Medical Center, Pittsburgh, PA (2018-2019)
Brian Patrick Murray, DO, Emory University School of Medicine, Atlanta, GA (2018-2019)
Hannah Malashock, MD, Banner University Medical Center, Phoenix, AZ (2017-2018)
Sarah Shafer, MD, University of Texas Southwestern, Dallas, TX (2017-2018)
Henry Swoboda, MD, Toxikon Consortium, Chicago, IL (2016-2017)
Kevin F. Maskell, Jr., MD, Virginia Commonwealth University Health System (2015-2016)
Robert Bassett, DO, Albert Einstein Medical Center (2014-2015)
Katherine Boyle, MD, University of Massachusetts Medical (2014-2015)
Dazhe James Cao, MD, Rocky Mountain Poison and Drug Center-Denver Health (2014-2015)
Jennifer Carey, MD, University of Massachusetts Medical School (2013-2014)
Melissa Halliday, DO, Emory University School of Medicine (2013-2014)
Kathryn Kopec, DO, Albert Einstein Medical Center (2012-2013)
Tayler Schwartz, Brown University (2011-2012)