Dr. Roger Pitman is a psychiatrist at MassachusettsGeneral Hospital and Professor of Psychiatry at Harvard Medical School, Boston,MA. He served as a psychiatrist in the U.S. Navy during the Vietnam era andwent on to complete a 30-year career in the Department of Veterans Affairs priorto moving to MGH. He is the recipient of the International Society forTraumatic Stress Studies’ Award for Outstanding Scientific Achievement in thefield of PTSD and its Lifetime Achievement Award. Dr. Pitman’s research intothe psychobiology of post-traumatic stress disorder (PTSD) spans more than 25years. He has more than 100 peer-reviewed publications on PTSD and more than200 overall publications in the general psychiatric and medical literature. Hehas authored or co-authored numerous structural and functional neuroimagingstudies of PTSD. For the past 12 years, he has been conducting a large-scale,psychobiologic investigation of a national sample of monozygotic twinsdiscordant for combat exposure in Vietnam. His current major research interestis whether medications administered at the time of traumatic memoryreactivation can weaken traumatic memories through reconsolidation blockade,which represents a potential novel treatment for PTSD.