Thomas O Carpenter, MD is Professor of Pediatrics (Endocrinology), and Professor of Orthopaedics and Rehabilitation at Yale School of Medicine in New Haven, CT. He also serves as Director of the Yale Center for X-Linked Hypophosphatemia (XLH) and Attending Physician in Pediatrics at Yale-New Haven Hospital. He completed his undergraduate studies at the University of Virginia, graduating with distinction, and earned his medical degree from the University of Alabama Medical School, where he also received general pediatrics training. Dr. Carpenter’s career-long focus on metabolic bone diseases in children began during his fellowship training in endocrinology at Boston Children’s Hospital.