He has been at The Children’s Hospital of Philadelphia since 1982. He is also a Pediatric Orthopedic Surgeon at the Shriners Hospitals for Children, Philadelphia. He is a member of many national and local societies, including the Pediatric Orthopedic Society of North America, American Academy of Orthopedic Surgeons, the American Orthopedic Foot and Ankle Society, and the Limb Lengthening and Reconstruction Society (Past President).