Dr. John Piacentini is Professor of Psychiatry and Biobehavioral Sciences at the UCLA School of Medicine and Director of the Child OCD, Anxiety, and Tic Disorders Program at the UCLA Semel Institute. In addition, he is Chief of Child Psychology for the Semel Institute Medical Psychology Program and Chair of the UCLA Resnick Neuropsychiatric Hospital. Dr. Piacentini’s research, teaching and clinical work focus on the development, evaluation, and implementation of cognitive behavior therapy (CBT) and other effective treatments, including medication, for children with OCD, other anxiety disorders, tic disorders and trichotillomania. More recently, this work has involved the use of brain imaging, genetics, and EEG to better understand the biological bases of these illnesses and their response to treatment. Dr. Piacentini has played a lead role in several major research studies for child anxiety, tics and related disorders and has published over 160 papers, chapters and books, in outlets such as the New England Journal of Medicine (NEJM) and the Journal of the American Medical Association (JAMA).