John E Herzenberg, MD, FRCSC, FAAOS, is Director of Pediatric Orthopedics at Sinai Hospital and Director of the International Center for Limb Lengthening at the Rubin Institute for Advanced Orthopedics. Dr Herzenberg is a pediatric and adult orthopedic surgeon who has been listed in U.S. News Top Doctors as being in the top 1% of his field. He is also one of the world's foremost practitioners of the Ponseti Method, which is used to correct clubfoot deformity.After completing medical school at Boston University, he completed his residency in orthopedic surgery at Duke University and subspecialty training in pediatric orthopedics at the Hospital for Sick Children in Toronto.