Dror Paley, MD, FRCSC, trained in surgery at the Johns Hopkins Hospital and in orthopedic surgery at the University of Toronto Medical School. He moved to Baltimore to join the University of Maryland in 1987. From 1987 to 2001, Paley worked at the University of Maryland as professor of Orthopedics and chief of Pediatric Orthopedics. He is the Founder and Director of the Paley Institute in Palm Beach, FL, and has decades of experience treating Perthes patients from various countries.