Research interests include the diagnosis and treatment of pre-arthritic and early arthritic hip disorders. Optimizing joint replacement procedures in young patients, and total joint arthroplasty patient surveillance. Dr. Clohisy completed his Fellowship Training in Adult Hip and Knee Reconstructive Surgery at Massachusetts General Hospital/Harvard Medical School, 1996-1997. He completed his residency training in orthopaedic surgery, 1992-1996 and Research Fellowship at St. Louis University Health Center, 1990-1992.