Courtney Nagel Sandler is currently working as a Director at Brigham and Women’s Endocrine Transition Care Clinic, and an instructor of Medicine and Pediatrics, at Harvard Medical School. She is also an attending physician at Boston Children's Hospital. She received her medical degree from the Icahn School of Medicine at Mount Sinai. She is a board-certified specialist in internal medicine and endocrinology, metabolism, and diabetes.