Michael E. O’Hanlon is a senior fellow and director of research in Foreign Policy at the Brookings Institution, where he specializes in US defense strategy, the use of military force, and American national security policy. He directs the Strobe Talbott Center on Security, Strategy and Technology, as well as the Defense Industrial Base working group, and is the inaugural holder of the Philip H. Knight Chair in Defense and Strategy. He co-directs the Africa Security Initiative as well. He is an adjunct professor at Columbia, Georgetown, and George Washington universities, and a member of the International Institute for Strategic Studies. He also serves as a member of the Defense Policy Board at the US Department of Defense. O’Hanlon was a member of the external advisory board at the Central Intelligence Agency from 2011-12. O’Hanlon’s latest book, “Military History for the Modern Strategist: America’s Major Wars Since 1861” (Brookings and Rowman & Littlefield, 2023) was published in January 2023.