Dr. Greenleaf is a board certified orthopaedic surgeon who is fellowship-trained in sports medicine and pediatric orthopaedics. Although he treats a wide variety of orthopaedic patients, he is especially skilled in arthroscopic treatment of knees and shoulders. He is a master instructor in both shoulder and knee surgery. Currently he is a team physician for the Portland Timbers professional soccer team and orthopaedic consultant for the Portland Thorns.