Nancy Keuthen, Ph.D., is an Associate Professor of Psychology (Psychiatry) at Harvard Medical School and Massachusetts General Hospital (MGH), Co-Founder and Director of the MGH Trichotillomania Clinic & Research Unit, and Chief Psychologist in the MGH Obsessive-Compulsive Disorder (OCD) Clinic & Research Unit. Dr. Keuthen received her Ph.D. in clinical psychology from SUNY at Stony Brook. She is internationally recognized as a leading clinician and researcher in trichotillomania. She has been instrumental in establishing awareness of and improving treatment for this disorder. Dr. Keuthen serves on numerous editorial and advisory boards, including the Scientific Advisory Boards of the Trichotillomania Learning Center and the Obsessive-Compulsive Foundation. Her clinical, research and teaching contributions have been largely focused on the cognitive-behavioral and pharmacological treatment of OCD and OCD-spectrum disorders, including skin picking, body dysmorphic disorder (BDD), and trichotillomania. She has authored numerous journal articles and book chapters and co-authored the popular book Help for Hairpullers.