Thomas A. Einhorn, M.D. is Chairman of the Department of Orthopaedic Surgery and Professor of Orthopaedic Surgery, Biochemistry and Biomedical Engineering at Boston University.  A graduate of Rutgers University and Cornell Medical College, he completed his internship at the Hospital of the University of Pennsylvania, orthopaedic residency at St. Luke's - Roosevelt Hospital in New York City, and a fellowship at the Hospital for Special Surgery.  His professional interests include research on the repair and regeneration of bone and cartilage, reconstructive surgery of the hip and knee, and the treatment of metabolic bone disease.  He has served as Chairman of the Orthopaedics and Musculoskeletal Study Section of the National Institutes of Health, President of the Orthopaedic Research Society, President of the International Society for Fracture Repair, Vice Chair for Grants of the Orthopaedic Research and Education Foundation, and Chairman of both the Committee on Examinations and the Council on Research and Scientific Affairs of the American Academy of Orthopaedic Surgeons. His awards include the Marshall R. Urist Award and the Alfred R. Shands, Jr. Award from the Orthopaedic Research Society, the Kappa Delta Award from the American Academy of Orthopaedic Surgeons, the Dr. Marian Ropes Physician Achievement Award from the Arthritis Foundationandthe Marshall Schiff Award from the American College of Rheumatology. He is Deputy Editor for Current Concepts Reviews for The Journal of Bone and Joint Surgery, and serves on the Editorial Boards of The Journal of Bone and Mineral Research, Journal of Orthopaedic Research and Bone.Since 1997, he has been listed in Best Doctors. An author of over 190 peer-reviewed articles, his career goals are dedicated to exploring the role of regenerative medicine in orthopaedic surgery.