Michael S. Hanau, MD, a graduate of Tufts Medical School and the Harvard-Longwood Psychiatry Residency Training Program, is a Diplomate of the American Board of Psychiatry and Neurology, a Distinguished Fellow of the American Psychiatric Association, and Assistant Professor of Psychiatry, Part-time, at the Faculty of Medicine of Harvard University.   He served as a Collaborating Investigator in the DSM-5 Field Trials in Routine Clinical Practice.  He is Assistant Medical Director of the OCD and Related Disorders Program at MGH and a psychiatrist in the Division of Primary Care Psychiatry.