America’s Security in a New Era of Great-Power Competition

Michael O'Hanlon

Philip H. Knight Chair in Defense and Strategy

Brookings Institution

Dr. Michael O’Hanlon is the Philip H. Knight Chair in Defense and Strategy and director of research in the Foreign Policy program at the Brookings Institution, where he specializes in U.S. defense strategy and budgets, the use of military force, and American national security policy. He is a senior fellow and directs the Strobe Talbott Center on Security, Strategy, and Technology. He co-directs the Africa Security Initiative as well. He is an adjunct professor at Georgetown University and Columbia University and was a member of the Pentagon’s Defense Policy Board from 2021 to 2025; he was also a member of the external advisory board at the Central Intelligence Agency from 2011-12. His newest book, timed to coincide with the nation’s 250th birthday, is “To Dare Mighty Things: U.S. Defense Strategy Since the Revolution” (Yale Press, 2026). In 2023, O’Hanlon published a book titled “Military History for the Modern Strategist: America’s Major Wars since 1861.”  His articles have appeared in Foreign Affairs, The National Interest, Survival, Washington Quarterly, Joint Forces Quarterly, and International Security, among other publications; he has also written hundreds of op-eds in major newspapers. Recent articles include a detailed analysis of the U.S. defense budget, a military assessment of a possible Chinese blockade of Taiwan, and a proposal with Georgetown Professor Lise Howard for a new security architecture for eastern Europe. O’Hanlon has appeared on television or spoken on the radio more than 4,000 times since September 11, 2001.