Shan Guisinger is a clinician with 25 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 has authored articles for Psychological Review and The American Psychologist on evolution of anorexia nervosa and interpersonal relatedness, and she is at work on a treatment manual for anorexia nervosa.