Dr. Mark Figgie is Chief of the Surgical Arthritis Service at HSS. He is a leading expert in joint replacement for inflammatory arthritis and performs more than 500 surgeries a year. His training in engineering and biomechanics has helped him design implants for elbows, knees, and hips, including the design of custom implants. Dr. Figgie oversees the comprehensive care of patients with systemic diseases like rheumatoid arthritis, lupus, lyme disease, and hemophilia. Taking a coordinated approach, he works closely with a team that includes a rheumatologist (the physician who oversees the non-surgical treatment of the disease), an anesthesiologist, a physical therapist, a social worker, and a biomechanical engineer.