Douglas W. Woods, PhD, received his doctorate in clinical psychology from Western Michigan University in 1999. He is a recognized expert in the assessment and treatment of tic disorders and trichotillomania and is currently associate professor and director of clinical training in the Department of Psychology at the University of Wisconsin, Milwaukee. Woods has authored or coauthored more than ninety papers and chapters and has edited two book describing behavioral interventions for tic disorders, trichotillomania, and other repetitive behavior problems. He has presented his work nationally and internationally with over 100 conference presentations and numerous invited talks. Woods is a founding member of the Tourette Syndrome Association’s (TSA) Behavioral Sciences Consortium, is a member of TSA’s Medical Advisory Board, and serves on the Scientific Advisory Board of the Trichotillomania Learning Center. He has been funded by the TSA Grants program, Trichotillomania Learning Center Grants program, and is currently funded by the NIH as part of two separate multisite research projects investigating the efficacy of behavior therapy for children and adults with Tourette Syndrome.