Samantha Tolliver, PhD, Deputy Chief Toxicologist

Samantha Tolliver

District of Columbia Office of the Chief Medical Examiners (DC OCME)


Since 2014, Samantha S. Tolliver, Ph.D. has served as the Deputy Chief Toxicologist for the Washington, DC Office of the Chief Medical Examiner (DC OCME). Her fifteen years of toxicology experience include postmortem, driving under the influence, drug-facilitated crime, pre/post-exposure, and workplace drug testing. Her testimony experience encompasses both civil (family law) and criminal, within the States of Texas and Massachusetts, as well as the District of Columbia. Dr. Tolliver holds a Bachelor’s Degree in Chemistry from West Virginia State University. She earned both her Master of Science in Forensic Science, as well as a Doctorate in Chemistry from Florida International University. She is certified in toxicology from the National Registry of Certified Chemists. Dr. Tolliver has made scientific presentations at the Drug & Alcohol Testing Industry Association, the American Academy of Forensic Scientists and the Society of Forensic Toxicologists (SOFT). Dr. Tolliver is an active member of SOFT and currently is a co-chair for the Culture, Values and Diversity Committee.