Michael O'Hanlon is a senior fellow in Foreign Policy at the Brookings Institution, where he specializes in U.S. defense strategy, the use of military force, and American national security policy. He is also director of research for the Foreign Policy program at Brookings. He is an adjunct professor at Columbia, Princeton, Syracuse, and the University of Denver. He is also a member of the International Institute for Strategic Studies. O'Hanlon was a member of the external advisory board at the Central Intelligence Agency from 2011 to 2012.