His interest in the specialty came from his own experience as a high school and college athlete. He graduated from Marshall University School of Medicine in Huntington, West Virginia in 1986 and completed his residency at Mount Carmel Medical Center in Columbus, Ohio. In 1992, he completed a sports medicine fellowship at Hughston Orthopaedic Clinic in Columbus, Georgia. He is Board Certified and has held numerous professional appointments, including his current position as Affiliate Instructor for UAHuntsville College of Nursing. Dr. Janssen serves as Director of Research and President of SportsMED Orthopaedic Surgery & Spine Center. He is the team physician for several area high schools as well as a number of local colleges and universities. In addition, Dr. Janssen is a consultant for Wright Medical Technology, Inc.