Mark  has always had an interest in spy planes, espionage, and the events surrounding Francis Gary Powers, the U-2 pilot shot down over the Soviet Union.  Living in Germany in the early 1960s, he learned of top security clearances, the exploits of James Bond, prisoner exchanges with the Soviet Union, the Beatles, and American fighter aircraft.  He flew the jet of his childhood dreams, the venerable F-4 Phantom II, while in the Marine Corps.  He served in senior leadership position with the Marines, the US Border Patrol and the US Air Force before leading aviation activities and aircraft operations for an international corporation in the Washington DC area. 

Mark holds a top secret security clearance and his books have to be reviewed by the Publication Review Board.  He also served as an Assistant Professor for Embry-Riddle Aeronautical University.  He earned a Master of Arts degree in National Security and Strategic Studies from the Naval War Colleges and holds an MBA in Aviation from Embry-Riddle Aeronautical University.