Michael H. Decker
American Defense Department official
About Michael H. Decker
Michael H. Decker was the Assistant to the Secretary of Defense for Intelligence Oversight. from September 2009 to February 2014. Before that he was assistant director of Intelligence, Marine Corps Intelligence, United States Marine Corps. He served as Director of Intelligence during Operation Iraqi Freedom II (OIF II) from January 2004 to June 2005.
Early life and education Decker was raised in Florissant, Missouri and obtained his Bachelor of Business Administration degree from the University of Notre Dame and later earned his Master of Arts in government/national security studies from Georgetown University. He also holds a Master of Science degree in Strategic intelligence from the National Defense Intelligence College.
Military career Decker was commissioned as a second lieutenant in the United States Marine Corps and served as an infantry platoon commander during operations to the Mediterranean Sea. In 1982, he was deployed with 2nd Battalion, 6th Marines as an assistant battalion operations officer to Beirut, Lebanon, as part of the Multinational Force in Lebanon. After returning to the United States, Decker served as an infantry company commander and later as assistant operations officer for an expeditionary unit in Honduras. Reassigned to Headquarters, United States Marine Corps, Decker served as the Marine Corps Security Force/Marine Security Guard policy and program officer.
Earlier Decker served as the Director, Marine Forces Programs and a Senior International/Defense Research Analyst, at the RAND Corporation
Awards and decorations Decker's awards include:
Distinguished and Meritorious Presidential Rank Awards Secretary of Defense Meritorious Civilian Service Award
Decker's military decorations include:
Personal life Decker is married and has two sons.
Decker is an adjunct associate professor in the Center for Security Studies at Georgetown University.
Publications Michael H. Decker and William Mackenzie “The Birth and Early Years of Marine Corps Intelligence,” Marine Corps History, Volume 5, Number 2 (Winter 2020) p. 39-53 Maj Michael H. Decker, USMC (Ret) and Sgt William Mackenzie, USMC (Ret), “Marine Corps Intelligence, the Interwar Years,” Marine Corps Gazette, Volume 103, Number 9 (September 2019) p. 10 Cortney Weinbaum, John V. Parachini, Richard S. Girven, Michael H. Decker, Richard C. Baffa, "Perspectives and Opportunities in Intelligence for U.S. Leaders," RAND Corp, Document Number: PE-287-OSD, 2018 George Nacouzi, J.D. Williams, Brian Dolan, Anne Stickells, David Luckey, Colin Ludwig, Jia Xu, Yuliya Shokh, Daniel M. Gerstein, Michael H. Decker, "Assessment of the Proliferation of Certain Remotely Piloted Aircraft Systems," RAND Corporation, Document Number: RR-2369-JS, 2018 Jeff Hagen, Lillian Ablon, John A. Ausink, Jeffrey R. Brown, Michael H. Decker, Quentin E. Hodgson, Myron Hura, Mary Lee, Brynn Tannehil, "Piecing Together the Puzzle: Building Cyber-Resilient Air Force Missions," RAND Corp, Document Number: RR-3203-AF, 2021 Michael H. Decker, Anthony Atler, Meagan L. Smith, William Marcellino, "Expeditionary Ground Reconnaissance, A Mission Analysis," RAND Corporation, Document Number: RR-1685-USMC, 2016 Decker, Michael H; "USMC Intel: 1994-2008", MCIA Inc INTSUM; autumn 2014; vol. XXVI, issue 1 Decker, Michael H; "Assessing the Intelligence Effort", Marine Corps Gazette; vol. 75, no. 9 (September 1991), p. 22 Decker, Michael H; "The MAGTF and Low-Intensity Conflict", Marine Corps Gazette; vol. 72, no. 3 (March 1988), p. 45 Decker, Michael H; Batts, Christopher B.; "Marine Corps Counterintelligence Support to the Warfighter, Past, Present and Future", American Intelligence Journal; vol. 20, no. 1&2 (winter 2000–2001) Decker, Michael H; "Three MAFs for the Corps", U.S. Naval Institute Proceedings; vol 113 (November 1987), p. 74 Decker, Michael H; Jeffries, James H, III; "Platoon - The Movie and Law of War Training", Marine Corps Gazette; vol. 71, no. 4 (April 1987), p. 40 Decker, Michael H; "On Women, Combat, and Leadership", Marine Corps Gazette; vol. 75, no. 10 (October 1991), p. 89 Decker, Mike; "The Long Run", Scholastic, Notre Dame, Indiana, vol. 121, no. 7 (March 21, 1980) p 26 http://www.archives.nd.edu/Scholastic/VOL_0121/VOL_0121_ISSUE_0007.pdf
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American Defense Department official
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APA: Biography.guide. (2026). Michael H. Decker. https://biography.guide/michael-h-decker/
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