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. Dr. Herzenberg trained in limb lengthening directly with Professor Ilizarov in the USSR in 1989 and subsequently in Lecco, Italy, with Professor Maurizio Catagni. After five years on the faculty of the University of Michigan, Dr. Herzenberg moved to Maryland and was Professor of Orthopedic Surgery at the University of Maryland, where he now serves as Clinical Professor. Dr. Herzenberg co-founded the Maryland Center for Limb Lengthening & Reconstruction at Kernan Hospital. He later co-founded the International Center for Limb Lengthening at Sinai Hospital of Baltimore in 2001.