Major General Eric T. Olson, USA (Ret)
Ambassador Louis F. O'Neill (Ret)
Thomas P. Oppel, former Chief of Staff to the Secretary of the Navy
Lt Gen Charley Otstott, USA (Ret)
Andy Ozment, former Assistant Secretary of Homeland Security
Tracy Pakulniewicz, former Policy Integration Director, Department of Defense
Brigadier General Pete J. Palmer, USA (Ret)
Leon E. Panetta, former Secretary of Defense
Ambassador Joseph R. Paolino, Jr.
Michael Parmly, former Acting Assistant Secretary of State