Jessica Rasmussen, Ph.D., is an Assistant in Psychology (Psychiatry) at Massachusetts General Hospital and an Instructor in Psychology at Harvard Medical School. During graduate school, Dr. Rasmussen received cognitive-behavioral training in the treatment of anxiety and mood disorders, as well as specialized training in the treatment of compulsive hoarding. Her research interests focus on the etiology, maintenance and treatment of compulsive hoarding and OCD. She also specializes in the cognitive-behavioral treatment of obsessive-compulsive disorders and body dysmorphic disorder.
Professional Staff
Jennifer Ragan, Ph.D.
Jennifer Ragan, Ph.D., Associate Director of the Adult Intensive Cognitive Behavioral Treatment Program. She is staff psychologist at Massachusetts General Hospital and an Instructor in Psychology (Psychiatry) at Harvard Medical School. Dr. Ragan received her Ph.D. in Clinical Psychology from the University of Texas at Austin in 2005. There, Dr. Ragan received extensive training in cognitive-behavioral therapy and provided supervision to junior clinicians through Dr. Michael Telch’s Anxiety Research Lab at the University of Texas at Austin. She then completed her clinical internship and post-doctoral training through Massachusetts General Hospital/Harvard Medical School. Dr. Ragan is now a licensed psychologist and sees patients through the Center for OCD and Related Disorders (CORD) at Massachusetts General Hospital and in private practice. Her clinical interests are broad, in that she treats patients suffering from anxiety, mood, and eating disorders using both individual and group modalities. Her research interests center around the assessment and treatment of anxiety disorders, Obsessive Compulsive Disorder, and Body Dysmorphic Disorder.
Nancy Keuthen, Ph.D.
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 Center for OCD and Related Disorders (CORD). 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.
Jennifer L. Greenberg, Psy.D.
Jennifer L. Greenberg, Psy.D., Director of Translational Research at the Center for OCD and Related Disorders (CORD), Assistant in Psychology (Psychiatry) at the Massachusetts General Hospital, and Assistant Professor of Psychology (Psychiatry) at Harvard Medical School. Dr. Greenberg received her Psy.D. in Clinical Psychology from Rutgers, the State University of New Jersey in 2008. She completed her clinical internship and postdoctoral training at Massachusetts General Hospital/Harvard Medical School. Dr. Greenberg is a licensed clinical psychologist and sees patients through CORD at the Massachusetts General Hospital and in private practice. Her clinical and research background is in the cognitive-behavioral treatment of body image and obsessive compulsive spectrum disorders across the lifespan, with an emphasis on BDD. Her primary research interest resides in treatment outcome and cognitive risk factors that may play a role in the etiology and maintenance of these disorders. Clinically, she treats adolescents and adults with obsessive-compulsive spectrum disorders, including BDD and OCD, and eating disorders.
Daniel Geller, M.D.
Daniel Geller MBBS FRACP is the Founder and Director of Research at the Massachusetts General Hospital (MGH) Pediatric Psychiatry Obsessive-Compulsive and Tic Disorder (OCD/Tic) Clinical and Research Program. His research career has been devoted to the study of pediatric OCD and related disorders, their phenotypes, clinical correlates, familial patterns of inheritance, and treatment. He authored the American Academy of Child and Adolescent Psychiatry Practice Parameters for the Assessment and Treatment of OCD in Children and Adolescents which documents the standard of care for management of early onset OCD in the USA. He received a NIMH career development award to conduct a family genetic study of pediatric OCD and subsequently assembled one of the largest cohorts of subjects ever studied, recruiting over 500 participants and publishing extensively on the findings. Early in the history of Pediatric Neuropsychiatric Disorder Associated with Streptococcus (PANDAS), he was an investigator in the NIH-funded Tourette Syndrome Study group, a 2-year prospective controlled study of youth with PANDAS. He has been a site investigator for numerous industry and investigator-initiated drug trials since 1991 for pediatric OCD, Tourette’s syndrome, attention deficit hyperactivity disorder (ADHD), anxiety and depression, including nearly all of the original pharmacotherapy registration trials for pediatric OCD. Dr. Geller has also been principal investigator or co-investigator in a number of NIH-funded grants, including the OCD Collaborative Genetics study. He is a triple board-certified pediatrician, psychiatrist and child psychiatrist, a Distinguished Fellow of the American Academy of Child and Adolescent Psychiatry, Fellow of both the American and European College of Neuropsychopharmacology, and an executive board member of the International College of Obsessive Compulsive and Related Disorders. Since 2013, he has held the Mittelman Family Chair in Child and Adolescent Psychiatry at MGH. He has been voted a Best of Boston child psychiatrist every year since 2012.
