• Professor Emeritus of military history at the U.S. Army Command and General Staff College.
• Retired Colonel of military intelligence from the U.S. Army.
• Author of 'Combined Arms Warfare in the Twentieth Century' and 'Intelligence and the State: Analysts and Decision Makers' (2022).
• Co-author of 'When Titans Clashed: How the Red Army Stopped Hitler' (2015 revised edition) and 'Stalingrad' (2017).
• Served as an intelligence analyst for the Joint Chiefs of Staff at The Pentagon during the 1991 and 2003 conflicts with Iraq.
• Completed a history doctorate from the University of Michigan (1975) and master's degrees in strategy (1984) and intelligence (2017).

Biography