My work focuses on the diagnosis and treatment of ADHD in adolescents and adults. As part of this work I conduct clinical trials evaluating school, community, and parent based treatments for teens with in attention, motivation, and executive function challenges. I also am an investigator on several longitudinal studies of ADHD, including the Multimodal Treatment of ADHD (MTA) study. I have authored or co-authored over 120 scientific papers on ADHD and wrote a book about how parents and professionals can empower teenagers with ADHD. I also specialize in the application of Motivational Interviewing approaches to the treatment of ADHD and am a member of the Motivational Interviewing Network of Trainers (MINT). This for includes training clinicians in strategies to adapt psychotherapeutic and pharmacological treatment for patients with ADHD, to improve treatment engagement. My research has been funded by the National Institute of Mental Health, Institute of Education Sciences, American Psychological Foundation, and Klingenstein Third Generation Foundation, I am actively involved in Children and Adults with Attention Deficit Hyperactivity Disorder (CHADD), serving on its professional advisory board, spokesperson team, and editorial advisory board for Attention Magazine. I currently serve as the Secretary of the American Professional Society of ADHD and Related Disorders, and am a member of the APSARD Adult ADHD Guidelines Task-Force. For full information about my work, please see my professional website.