Retired US Marine Corps Four-Star General; has led professional military educational programmes, including as Director, Marine Infantry Officer Program and Commanding Officer, Marine Corps Basic School; twice served at the United States Naval Academy, first as Military Instructor and later as Commandant of Midshipmen. Served in command and staff positions in the Marine Corps and the Joint Force, including: Principal Director of Asia-Pacific policy, Office of the Secretary of Defense; commanding 150,000 US and NATO forces in Afghanistan from July 2011 to February 2013; former Commander, NATO International Security Assistance Force (ISAF) and US Forces in Afghanistan. Fifteen months as Senior Adviser to the US Secretary of Defense on Middle East Security; then Special Presidential Envoy to the Global Coalition to Counter ISIL. With Brookings Institution: former Chair of Security and Strategy and Distinguished Fellow, Foreign Policy Program; since November 2017, President. Member, Council on Foreign Relations. Senior Fellow: Merrill Center, Johns Hopkins School of Advanced International Studies; Johns Hopkins Applied Physics Laboratory. “Ancien” and Lecturer, NATO Defense College, Rome. Recipient of awards and honours, including: Department of State Distinguished Honor Award; Director of National Intelligence Distinguished Public Service Award; named instructor of the year, United States Naval Academy (1990).