David Gottlieb, Ph.D. received his B.A. in psychology from Harvard University in 1975, and his Ph.D. in clinical psychology from Northwestern University in 1982. He has worked with families and consulted with schools in the Chicago area since 1985. In 2011, Dr. Gottlieb wrote "Your Child is Defiant: Why is Nothing Working?" and in 2006, he co-wrote "Why is My Child's ADHD Not Better Yet?" He is married and shared in raising three children.