James Sostak graduated summa cum laude with a B.S. in Health Science in 2001. At Benedictine, he was MVP of the baseball team two years running, set the current NCAA record for most consecutive hits, and was a member of the NCAA Verizon Academic All-America Team. Sostak earned his M.D. at Loyola University Stritch School of Medicine, during which he played one season of professional baseball for the Rockford Riverhawks. He completed a residency in orthopedic surgery at the Medical College of Wisconsin and specialized his training with a fellowship in sports medicine from the Southern California Orthopedic Institute. In 2011, he joined Fox Valley Orthopedics in Geneva, Illinois and has been in practice for four years, specializing in arthroscopic surgery of the shoulder, hip and knee.