Dr. Feng is an expert in the treatment of total joint reconstruction (primary and complex revision procedures), sports injuries, arthritic problems, work related injuries and fractures. He has published several articles in medical journals and presented at the International Meeting for the Knee Society. Dr. Feng is also active in research at Stanford University. He has a continuing role in the research of total joint design to prevent complications during surgery. Dr. Feng previously served as a Board Member for the Arthritis Foundation.