Judith Matz, LCSW, and Ellen Frankel, LCSW, are clinical social workers and sisters who grew up in the Chicago area. In 2004 they published Beyond a Shadow of a Diet: The Therapists Guide to Treating Compulsive Eating. Judith is the director of the Chicago Center for Overcoming Overeating, Inc., an organization dedicated to ending the preoccupation with food and weight. She has worked in the area of eating problems since 1986 and is a frequent speaker at workshops and conferences on the topics of compulsive eating and body image. She has a private practice in Skokie, Illinois.