Shan Guisinger is a clinician with over 30 years experience treating eating disorders. She received her Ph.D. from the University of California, Berkeley and completed postdoctoral work at the Yale University Eating Disorders Clinic. In her research and practice, she seeks to understand how biological, psychological, and social factors interact to create or ameliorate emotional problems. Shan is the only clinical practitioner that has authored theoretical articles on the evolution of anorexia nervosa and interpersonal relatedness for both The American Psychologist and Psychological Review. She is currently at work on a treatment manual for anorexia nervosa.