About ACMT > Leadership > Board of Directors

ACMT/MTF Board of Directors

Charles McKay, MD, FACMT
University of Connecticut School of Medicine
Hartford, CT
President (2016-2019)

McKay_ChuckAfter graduating from both Dartmouth College and Medical School, Dr. McKay completed an internship and residency in Internal Medicine at Rhode Island Hospital. He completed his residency in Emergency Medicine at Denver General Hospital, and completed practice pathway preceptorships in Medical Toxicology at the Rocky Mountain and New York Poison Control Centers. 

Dr. McKay is a medical toxicologist at Hartford Hospital and the University of Connecticut School of Medicine, where he is an Associate Professor of Emergency Medicine. He is a diplomat of the ABMT and the ABMS Toxicology Subboard. He is the Associate Medical Director of the Connecticut Poison Control Center and the Director of the Toxicology Fellowship at UConn. Dr. McKay also directs a toxicology consult service at Hartford Hospital and Connecticut Children’s Medical Center (CCMC). As Medical Director of Occupational Health Services for Hartford Hospital and CCMC, he also evaluates questions of workplace safety and toxic exposure for 9,000 employees. 

He has served on the ACMT Board of Directors since 2007 and is the Past Chair of the ACMT Practice Committee. Dr. McKay is active in biopreparedness efforts at the local and state level and has helped lead ACMT’s participation in the Department of Homeland Security’s Chemical Terrorism Risk Assessment (CTRA) process. Dr. McKay is also the National Coordinator of the ACMT-ATSDR Regional Consultation Network.

Dr. McKay seeks “to develop sustainable practice opportunities for medical toxicologists.” His interests lie in clinical patient care, occupational and environmental toxicology, biopreparedness, and training of residents and fellows. He also enjoys scuba diving and distance running. 

Michelle Ruha, MD, FACMT
Banner—University Medical Center 
Phoenix, AZ 
Vice President (2016-2019)

Michelle_Ruha.jpgDr. Ruha received her medical degree from UMDNJ New Jersey Medical School and then completed an Emergency Medicine residency at Morristown Memorial Hospital in New Jersey. Her fellowship training brought her to Phoenix, Arizona, where she continues to serve as Director of the Medical Toxicology Fellowship at Banner Good Samaritan Medical Center. 

She is Board Certified in Emergency Medicine and Medical Toxicology but her clinical practice is focused on providing care to poisoned and envenomed patients. She is a Clinical Associate Professor with the Department of Emergency Medicine at the University of Arizona College of Medicine and also serves as the Chair of the Medical Toxicology Subboard for the American Board of Emergency Medicine, the certifying organization for medical toxicologists. 

Dr. Ruha is the Associate Editor for the Journal of Medical Toxicology. Her major area of interest and research is in envenomations. She has been a member of the Board of Directors of the American College of Medical Toxicology since 2009, and is currently serving as Vice President.

Louise Kao, MD, FACMT
Indiana University School of Medicine
Indianapolis, IN
Secretary / Treasurer (2016-2019)

KAO 2012for website2.jpgDr. Kao received her medical degree from Rush Medical College in Chicago, where she worked as a Poison Information Specialist (PIS) at the Chicago Poison Center under the medical direction of Dr. Jerrold Leikin. Dr. Kao went on to complete residency in Emergency Medicine and a Medical Toxicology Fellowship at Indiana University/Methodist Hospital in Indianapolis. She is board certified in Emergency Medicine and Medical Toxicology.

Dr. Kao currently serves as the IU Medical Toxicology Fellowship Director as well as the Director of the Medical Toxicology rotation for residents and students in addition to her clinical Emergency Medicine and Toxicology duties. She is an Associate Professor of Clinical Emergency Medicine at the IU School of Medicine. Her vision for the future involves expanding the visibility and reach of Medical Toxicology across disciplines.

Leslie R. Dye, MD, FACMT
Editor-in-Chief, Point of Care Content, Elsevier
Waynesville, OH
Past President (2016-2019) 

Leslie_Dye.jpgDr. Dye received her medical degree from the University of Kansas. She completed an Emergency Medicine Residency and Toxicology Fellowship at the University of Cincinnati. Her “love for the specialty of Medical Toxicology has never wavered.” She has many publications and presentations, and received an $800,000 grant to establish a Poison Control Center in Shenyang, China. 

Dr. Dye has served on the ACMT Education, Publication, and Membership committees for several years and is the past-Chair of the Education Committee. She has also organized and moderated the Fellows-in-Training luncheon at NAACT for several years and has served as the course director for the Biennial ACMT Medical Toxicology Board Review Course in 2008. Her passion has been serving as a mentor and recruiting new toxicologists into ACMT. 

She is a fitness enthusiast and bikes and swims. She has competed in a century bicycle ride, an aquabike, and several other organized bicycle rides. In her free time, she can be found on her farm in Waynesville, Ohio with her husband, Brian and various animals. 

Diane Calello, MD, FACMT
New Jersey Poison Information and Education System
Rutgers Biomedical and Health Sciences
Newark, NJ
(Term 1: 2016-2020)

Calello_photo.jpgDr. Calello, a New Jersey native and devotee, received her BA from the College of William and Mary and her MD from New Jersey Medical School. She completed residency training in pediatrics, and fellowship training in both pediatric emergency medicine and medical toxicology at the Children’s Hospital of Philadelphia and Poison Control Center in Philadelphia. Dr. Calello is board certified in pediatrics, pediatric emergency medicine, medical toxicology, and addiction medicine.

She is currently the Director of Medical Toxicology at Morristown Medical Center and a toxicologist at the New Jersey Poison Information and Education System (NJPIES). She has lectured and published on various facets of clinical toxicology, particularly as it pertains to extracorporeal treatment, intravenous lipid emulsion, and poisoning in the young child.

Bryan Judge, MD, FACMT
Spectrum Health Medical Group
Grand Rapids, MI
(Term 1: 2016-2020)

Judge_Photo.jpgDr. Judge graduated from Wayne State University School of Medicine and the GRMEP Emergency Medicine Residency Program. Following graduation, he completed a fellowship in medical toxicology at Indiana University in Indianapolis. Dr. Judge has served in a number of faculty roles before becoming the Program Director of the Emergency Medicine Residency Program. The interface with people that occurs during his job has been essential in providing him with much satisfaction and keeps ignited his passion for 'what he does' and 'why he does it'. He enjoys going to work every day and connecting with faculty, medical students, and residents in order to deliver compassionate and quality care for patients. He has four children and his spare time is spent with family and friends. He enjoys cooking, erging, hunting, rowing and writing. His next academic accomplishment is to complete a master's degree in health professions education in order to keep bringing innovative educational ideas and methods to the program.

Ziad Kazzi, MD, FACMT
Georgia Poison Center / Emory University
Atlanta, GA
(Term 1: 2014-2018)

Kazzi_Photo.JPGBorn in 1975 and raised in Beirut, Lebanon, Dr. Kazzi trained in Emergency Medicine at Emory University in Atlanta (2000-03) where he served as a chief resident before completing a subspecialty fellowship in Medical Toxicology at Emory University and the Centers for Disease Control and Prevention (CDC) in Atlanta. He is board certified in both Emergency Medicine and Medical Toxicology. 

Dr. Kazzi joined the Department of Emergency Medicine at the University of Alabama at Birmingham (UAB) between 2005 and 2008 where he served as a Medical Toxicologist for the Regional Poison Control Center in Birmingham and the Alabama Poison Center. 

Currently, he is an assistant professor at the department of Emergency Medicine at Emory University in Atlanta, Georgia as well as the director of the International Toxicology Postdoctoral Fellowship Program at Emory University. He is also the assistant medical director of the Georgia Poison Center and a medical toxicologist at the Radiation Studies Branch at the CDC. As an emergency physician and toxicologist, Dr. Kazzi specializes in the recognition, triage, and management of poisonings and holds a deep interest in the areas of Radiation and International Toxicology.

William Russ Kerns, II, MD, FACMT
Carolinas Medical Center
Charlotte, NC  
(Term 2: 2014-2018)

William_Kerns.jpgAfter graduating from Randolph-Macon College, Dr. Kerns received his medical degree from Medical College of Virginia, and then completed a residency in Emergency Medicine and a medical toxicology fellowship at the Carolinas Medical Center, Charlotte, NC. 

Dr. Kerns is a faculty member of the Department of Emergency Medicine at the Carolinas Medical Center in Charlotte, NC. His academic mission focuses exclusively on toxicology and includes bedside and poison center patient care, resident and fellow education, coordination of toxicology research, and contribution to local and state educational programs. Since 2000, he has directed Carolinas Medical Toxicology Fellowship training program.

Dr. Kerns also endeavors to promote toxicology at the national level through participation in education and research programs. Participation in ACMT efforts have included the Journal of Medical Toxicology editorial board, Instructor for the Board Review and Agents of Opportunity courses, ToxIC contributor, Program Director Committee, and Research Committee.

His goal for board participation is to continue the advancement of medical toxicology in the areas of education and research.  

Ayrn O’Connor, MD, FACMT
Banner—University Medical Center
Phoenix, AZ 
(Term 1: 2016-2020)

O'Connor 2018.jpgDr. O'Connor currently serves as the Associate Fellowship Director at Banner—University Medical Center in Phoenix, Arizona. She actively participates in the graduate medical education of medical students, residents and fellows as well as providing clinical care for the patients encountered through a busy admitting and consulting medical toxicology service. She holds an appointment as Associate Professor in Emergency Medicine at the University of Arizona -College of Medicine where she is active in providing the pharmacology curriculum to the first, second and third year medical students. Furthermore, she is responsible for the fourth year medical student and resident toxicology elective offered at Banner—University Medical Center. She graduated from Franklin College in 1996 with a bachelor’s degree in Chemistry. In 2000, she earned her M.D. from Indiana University School of Medicine. She completed her residency and fellowship at Indiana University in Emergency Medicine and Toxicology in 2003 and 2005, respectively. Dr. O’Connor joined the faculty at Banner—University Medical Center in 2005 as a clinical toxicologist and educator and is board certified in emergency medicine and toxicology. 

Anthony Pizon, MD, FACMT
UPMC Presbyterian
Pittsburgh, PA
(Term 1: 2015-2019)

Pizon 125wDr. Pizon currently serves as the Chief of the Division of Medical Toxicology and as Director of the Medical Toxicology Fellowship. He received his medical degree at the Medical College of Ohio in 2001. He completed his Emergency Medicine Residency at the University of Pittsburgh Medical Center in 2004 and completed his medical toxicology fellowship training at Banner Good Samaritan Medical Center in Phoenix, Arizona in 2006. Dr. Pizon is board-certified in both Emergency Medicine and Medical Toxicology.

His current research interests include the novel pharmaceutical management of withdrawal syndromes, the evaluation of cost effective care provided by medical toxicologists, and biomarkers of hepatic injury after acetaminophen toxicity. However, his real passion lies in the education of fellows, residents, and medical students.

Evan Schwarz, MD, FACMT
Washington University School of Medicine
St. Louis, MO
(Term 1: 2016-2019)

Schwarz_Photo_sm.jpgDr. Schwarz attended medical school at the University of Texas Medical Branch in Galveston, Texas before completing a residency in Emergency Medicine at 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 as an Assistant Professor of Emergency Medicine at Washington University School of Medicine. Since returning to Missouri, he has become board certified in Addiction Medicine. Currently, he is the Medical Toxicology Fellowship Director and co-director of the Medical Toxicology and Addiction Medicine Clinic.  In addition, he is the director of the medical student and resident rotations. He is also very active in ACMT and is an active member of multiple committees. He is also involved at the medical school as one of 3 Advisory Deans in the Office of Student Affairs and has been on the Board of Directors for the Missouri College of Emergency Physicians since 2012.

Andrew Stolbach, MD, MPH, FACMT 
Johns Hopkins Hospital
Baltimore, MD
(Term 1: 2015-2018)

Stolbach.jpgDr. 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.

He was a Magna cum laude graduate of Pennsylvania State University with a Bachelor’s of Science in Life Science along with a minor in history. He furthered his education at the University of Maryland, School of Medicine and received his Doctorate of Medicine Degree in 2002. Dr. Stolbach completed his Emergency Medicine Residency at St. Luke’s Roosevelt Hospital Center in New York City from 2002-2005 where he was Chief Resident. He completed his Fellowship in Medical Toxicology at Bellevue Medical Center and New York University School of Medicine.

Dr. Stolbach has received Honors and Awards including: The University Honors Medal for Scholarship in History (1998); Phi Beta Kappa Honor Society (1998); a 2010 ACMT/McNeil Products Award for Acetaminophen-Related Research and a grant from ATSDR for Airborne Particulate Matter Education. He is recognized as a Fellow of the American College of Emergency Medicine, American College of Medical Toxicology, and American Academy of Clinical Toxicology.

Dr. Stolbach has developed a 10-part online toxicology training program that is currently being used by a number of emergency medicine residency programs. He has also created toxicology webinars and online modules for the American College of Medical Toxicology and United States ATSDR. He is currently writing a opioid prescribing teaching module for emergency and primary care providers.

Dr. Stolbach has multiple publications to his credit and many accomplishments and accreditations in his career including: In 1998, Dr. Stolbach was the Northeast Regional Greco-Roman Wrestling, Silver Medalist; In 2001, he completed the Marine Corps Marathon; In 2003, 2004, and 2006 he completed the New York City Marathon; In 2005, he completed the Baltimore Marathon. 

Timothy Wiegand, MD, FACMT
University of Rochester Medical Center
Rochester, NY
(Term 1: 2015-2019)


Dr. Wiegand is an Associate Clinical Professor in the Department of Emergency Medicine at URMC and also a volunteer faculty member of the SUNY Upstate Medical Toxicology Fellowship program. Dr. Wiegand's research interests include billing, reimbursement and effectiveness of Medical Toxicology practice models, warning signs for suicide attempt in particular the use and involvement of alcohol or drugs in a suicide attempt and he is involved with wide variety of surveillance and research projects involving the bedside toxicology Registry the ACMT Toxic Case Registry.

Paul Wax, MD, FACMT
University of Texas, Southwestern School of Medicine
Dallas, Texas
ACMT Executive Director 

Paul_Wax.pngDr. 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.

Board Interns (2017-2018)


Hannah Malashock, MD
Banner University Medical Center- Phoenix
Phoenix, AZ

Dr. Malashock is a current Medical Toxicology fellow in Phoenix, Arizona. Prior to fellowship she completed a residency in Emergency Medicine at Maricopa Medical Center in Phoenix, and attended medical school at the University of Kansas School of Medicine.




Sarah Shafer, MD
University of Texas Southwestern
Dallas, TX


Past Board Interns
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)