Walters earned his medical degree from the Medical College of Wisconsin in Milwaukee. He completed general surgery residencies at Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire, and the Medical College of Wisconsin.
Walters is currently a lieutenant colonel in the U.S. Army Reserve Medical Corps. His active duty service in Afghanistan includes deployments with the 909th, 1980th and 915th Forward Surgical Teams and the 94th Combat Support Hospital.
His military honors include National Defense Service Medals, the Army Reserve Component Achievement Medal with Oak Leaf Cluster, the Global War on Terrorism Service Medal, the Afghanistan Campaign Medal with Campaign Star, NATO Afghanistan Service Medals, Army Service Ribbons, the Armed Forces Reserve Medal with M Device, and the Afghanistan Campaign Medal with two stars.
Walters is a member of the Association of Military Surgeons of the United States and the American College of Surgeons.
His clinical interests include surgical and critical care of trauma patients, delivering surgical care in austere environments and complex abdominal wall reconstruction surgery with care of enterocutaneous fistulae.