Mark’s military career began as an infantry officer. From 1987–1990, he served as a rifle platoon leader, scout platoon leader, and battalion personnel officer in the 194th Separate Armor Brigade, and from 1990–1992 as a supply officer and an airborne rifle company commander in the famed 82nd Airborne Division. His military awards include the Bronze Star, The Air Medal, The Air Medal with “V” device for valor under heavy enemy fire, and numerous other medals for service.