 Marshburn's awards include the NASA Superior Achievement award (1998), Space and Life Sciences Division Special Space Flight Achievement Award (2003, 2004) and the Lyndon B. Johnson Space Center Superior Achievement Award (January 2004).Marshburn is a member of the Aircraft Owners and Pilots Association, the American Academy of Emergency Medicine and the Aerospace Medical Association.After completing medical school, Marshburn trained in emergency medicine at the St. Vincent Hospital Emergency Medicine program in Toledo, Ohio, where he also worked as a flight physician.