Karen Zager, Ph.D., is a psychologist who has been in full-time private practice in New York since she received her doctorate in clinical psychology from Fordham University in 1981. She served as president of Psychologists in Independent Practice, a division of the American Psychological Association, and received a Presidential Citation from the American Psychological Association for her contribution to the field of psychology. She is coauthor of a recent book, The Inside Story on Teen Girls, and consulted on the film 5 Girls, which aired on PBS. She has made frequent radio and TV appearances, including Good Morning America, The Donohue Show, Sally Jesse Raphael, and the O’Reilly Report, and she is interviewed regularly for magazines such as Parenting, YM, Newsweek, and Time. She has been married for more than thirty years, and has two sons attending college.