Dr. Roy is Professor of Medicine and Director of the Division of Military Internal Medicine at Uniformed Services University, and Principal Investigator of the Recruitment Core for the Center for Neuroscience and Regenerative Medicine. He is a graduate of Brown University and Brown University School of Medicine. Dr. Roy completed his residency in internal medicine and his general medicine fellowship at Walter Reed Army Medical Center, and retired as a Colonel after 24 years in the Army. He has twice served as president of the Society for Brain Mapping and Therapeutics, and is a Fellow of the American College of Physicians. Dr. Roy is the principal investigator on multiple studies on war-related health, often using new brain imaging techniques and other cutting edge technologies such as virtual reality and smart phone applications. He has authored well over 100 publications including the books Physician’s Guide to Terrorist Attack and Novel Approaches to the Diagnosis and Treatment of Posttraumatic Stress Disorder.