He is especially interested in conditions affecting exercise and performance of the knee including anterior cruciate ligament, meniscus, cartilage, and patellar injuries. For the past 16 years, he has served as the Chairman of Sports Medicine’s Committee for the United States Soccer Federation and has served as team physician with the U.S. Men’s and Women’s National Teams in World Cup competition. John Lohnes, PA-C and Libby Pennington, RN assist him in providing care.