Russell A. Barkley, Ph.D. is a Clinical Professor of Psychiatry with the Virginia Treatment Center for Children and Virginia Commonwealth University School of Medicine, Richmond, VA. He has published 23 books, manuals, and rating scales, most recently Taking Charge of Adult ADHD (Guilford Publications) and When an Adult You Love Has ADHD (American Psychological Association, Lifetools). He has also authored 300 scientific articles and book chapters, given more than 800 invited lectures in more than 30 countries, and received numerous professional awards for his career accomplishments.