Maria Lynn Buttholph, M.D., has been a staff psychiatrist and member of the Obsessive Compulsive Clinic since 1988. She participated in the original clinical trials that helped to determine effective medications for the treatment of OCD. She has treated a large number of patients with OCD, as well as OCD spectrum disorders including trichotillomania. She has published numerous papers and has written a chapter about OCD and pregnancy. She is an Instructor at the Harvard Medical School and at the Massachusetts General Hospital.