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Biographies of Senior Defense Officials

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Christopher P. Maier Director for the Defeat ISIS Core Task Force
Colonel Robert Manning III Director, Defense Press Operations
Paul Martin Acting Deputy Assistant Secretary of Defense for Plans
James N. Mattis Secretary of Defense
Derek (Dirk) Maurer Deputy Assistant Secretary of Defense for Countering Weapons of Mass Destruction
Thomas McCaffery Principal Deputy Assistant Secretary of Defense for Health Affairs
Ryan D. McCarthy Under Secretary of the United States Army
Command Sergeant Major Patrick L. McCauley Command Senior Enlisted Leader (USSOCOM)
Beth M. McCormick Director, Defense Technology Security Administration
Elaine McCusker Deputy Under Secretary of Defense(Comptroller)
Kelly K. McKeague Director, Defense POW/MIA Accounting Agency
Chief Master Sergeant Patrick F. McMahon Command Senior Enlisted Leader (USSTRATCOM)
Admiral Charles Michel Vice Commandant, U.S. Coast Guard
Thomas P. Michelli Acting Deputy Chief Information Officer for Cybersecurity
Mary J. Miller Performing the Duties of Assistant Secretary of Defense for Research and Engineering
Essye B. Miller Principal Deputy, Chief Information Officer
General Mark A. Milley 39th Chief of Staff for the U.S. Army
Mark E. Mitchell Principal Deputy Assistant Secretary of Defense for Special Operations/Low-Intensity Conflict
Michael (Mick) P. Mulroy Deputy Assistant Secretary of Defense for the Middle East