Dr. Robert Marx is an Orthopedic Surgeon at the Hospital for Special Surgery, specializing in knee surgery. He is Professor of Orthopedic Surgery at Weill Medical College of Cornell University and Vice Chair of Orthopedic Surgery for faculty development at the Hospital for Special Surgery. Dr. Marx has extensive experience in knee surgery, with particular interest in ACL surgery, complex knee ligament reconstruction, and knee replacement. He is the Head Consulting Orthopedic Surgeon for Ultimate Fighting Championship (UFC), The Juilliard School and a Team Physician for the New York Rangers.