 He earned a MPA degree from the Kennedy School of Government of Harvard University in 1983 and taught in the Department of Social Science at West Point.Following attendance at the British Army Staff College, he returned to the 2nd Armored Cavalry Regiment as operations officer, serving both at the squadron and regimental levels.In 1990–91 he deployed and fought with the regiment in Operation Desert Storm, and later served on the staff of the Chief of Staff of the United States Army.