Dr. Sandra Comer is a Professor of Neurobiology in the Department of Psychiatry at Columbia University. She received her BS at Vanderbilt University and Ph.D. at the University of Michigan for her research on the effects of drugs using preclinical models. Dr. Comer is Director of the Opioid Laboratory in the Division on Substance Use Disorders and her current research focus is on the clinical testing of medications for treating opioid use disorder, methods to maximize the use of naloxone by opioid users, and evaluations of the comparative abuse liability of prescribed pain medications. Dr. Comer served as President of the College on Problems of Drug Dependence, the longest-standing scholarly society in the U.S. devoted to research on substance use disorders, and currently is the Public Policy Officer for CPDD. She joined the Expert Advisory Panel on Drug Dependence for the WHO and has over 150 publications on substance use disorders.