Clinical Psychologist and Assistant Investigator
Assistant Professor of Psychology, Harvard Medical School

Persis Commissariat, PhD, CDCES is a Clinical Psychologist in Joslin’s Pediatric, Adolescent, and Young Adult Section and an Assistant Investigator in the Section of Clinical, Behavioral, and Outcomes Research. She is an Assistant Professor of Psychology at Harvard Medical School. Dr. Commissariat received her doctorate from Yeshiva University. She completed her pediatric psychology residency at the Mailman Center for Child Development at the University of Miami, Miller School of Medicine and her pediatric psychology fellowship training at Joslin Diabetes Center.

Dr. Commissariat provides individual and family therapy to children, teens, and young adults with diabetes at Joslin, with a special interest in adjustment to new diabetes diagnosis, coping, diabetes burnout, and treatment adherence challenges. Dr. Commissariat’s research focuses on illness identity, new technologies, qualitative methods, and behavior change. She has been invited to present her work at national and international research meetings for the American Diabetes Association (ADA), Behavioral Research in Diabetes Group Exchange (BRIDGE), JDRF, International Society of Pediatric and Adolescent Diabetes (ISPAD), the Type 1 Diabetes Exchange Registry, The Diabetes Link, and the Diabetes + Mental Health Conference. She is on the leadership teams of the ADA Mental Health Advisory Group and the ADA Youth Strategies Committee. She served as an Advisor for the ADA Behavioral Medicine and Psychology Interest Group.