John Hart, Ph.D. maintains a private practice in Houston, Texas (Center Anxiety and Depression Treatment of Houston; Additionally, he has been affiliated with the Menninger Clinic for 25 years where he serves as their anxiety disorders specialist. Dr. Hart was with the Menninger OCD Treatment Program (now the Houston OCD Program) since its inception and currently acts as a consultant and co-director of research. He regularly presents nationally and regionally on the nature and treatment of obsessive-compulsive related disorders. Dr. Hart has a wide research interest and has published a number of articles on anxiety related disorders. He has current research affiliations with the Menninger Child and Family Research Center, Baylor College of Medicine, and the University of Houston Clear Lake. Dr. Hart is currently the list advisor to the Parents of Adults with OCD, which can be found at and serves as the facilitators of the Houston OCD Support Group and is a board member of the Peace of Mind Foundation, an advocacy organization for OCD suffers.