A registered clinical psychologist, Thomas W. Phelan, PhD has worked with children, adults and families for over 30 years. He is a member of the American Psychological Association and the Illinois Psychological Association, and has served on the boards of directors for both ADDA and CHADD. He was inducted into the CHADD Hall of Fame in 1997. The author of numerous books, DVDs and audios, he is best known for his ground-breaking book, 1-2-3 Magic: Effective Discipline for Children 2-12. (Other titles by Dr. Phelan are listed in the Resources Section). Dr. Phelan maintains an active schedule of international lectures and is a frequent guest on radio and television. His articles appear in numerous regional and national publications. Dr. Phelan and his wife of 40 years raised two children and experienced first-hand many of the problems he now helps parents tackle.