Professor of Rheumatology at Paris XII University, Créteil, France. He is the Head of the Rheumatology Department at Henri Mondor Hospital, Créteil, France. He also headed the section Osteoarthritis at the French Society of Rheumatology. He is a member of the Osteoarthritis Research Society International and American College of Rheumatology. His research currently focuses on cartilage metabolism and the new treatment options for osteoarthritis.