William Picon, PhD

Dr. William Picon is GWUWMP's head psychologist. He is a clinical psychologist who specializes in the psychological dimensions of the treatment of obesity. Dr. Picon earned his undergraduate and graduate degrees from the University of Maryland and joined our staff in 1981. His diagnostic constructs of food and fat dependency were first described in 1990 and he continues to study, lecture, and write on this important topic. His website on eating impulse analysis is widely used by clinic patients and has been presented at research conferences on obesity management. In addition to leading the psychology program at GWUWMP, Dr. Picon also sees private psychotherapy patients on a limited basis.

Robyn Osborn, PhD

Dr. Robyn Osborn received her Ph.D. in Medical and Clinical Psychology and completed a clinical psychology internship at the Washington DC Veteranís Affairs (VA) Medical Center. Her graduate and postdoctoral training has focused on the impact of obesity and disordered eating, particularly in the context of health disparities. She has conducted clinical research in academic and community settings for several NIH-funded research projects exploring the prevention and treatment of obesity. Her expertise is in various treatments for weight management, eating disorders, and emotional eating, including cognitive behavioral therapy and interpersonal psychotherapy.

Maria Foley, PsyD

Dr. Maria Foley is a clinical psychologist who received her doctorate in clinical psychology from the American School of Professional Psychology in Arlington, Virginia and a Master's degree in counseling from the American University in Washington, D.C. She also completed a clinical psychology internship at Spring Grove Hospital Center in Maryland. Dr. Foley has a special interest in working with patients who have experienced trauma, as well as those who are struggling with issues related to eating, weight, and body image.

Marilyn Sperling, PhD

Dr. Marilyn Sperling is a clinical psychologist who received her undergraduate degree at Brown University and her doctorate in clinical psychology from the State University of New York at Stony Brook. Prior to joining our staff more than 20 years ago, she worked as a psychologist at St. Elizabeth's Hospital and was actively involved in group training and supervision of clinical psychology interns. From 1979-1982, she acted as chief psychologist of the Noyes Division of St. Elizabeth's. Dr. Sperling specializes in treatment of binge eating, coexisting obesity and depression, and women's issues.