Dr. Vitiello is a psychiatrist with expertise in psychopharmacology and treatment research. He has been part of many publicly funded clinical trials testing the effects of interventions in children and adolescents, such as the Multimodal Treatment of Children with Attention Deficit Hyperactivity Disorder (MTA), the Treatment for Adolescents with Depression Study (TADS), the Research Units on Pediatric Psychopharmacology (RUPP) network studies, the Preschoolers with ADHD Treatment Study (PATS), and the Treatment of Early Onset Schizophrenia Study (TEOSS). He is adjunct Professor of Psychiatry at the Johns Hopkins University in Baltimore, Maryland. He has worked at the National Institutes of Health as chief of the Treatment and Preventive Interventions Research Branch at the National Institute of Mental Health.Dr. Vitiello has authored more than 250 scientific publications in the area of child, adolescent, adult, and geriatric psychiatry.