John Allen

Member, Homeland Security Advisory Council, Appointed by Secretary Alejandro Mayorkas - March 2022.  General John R. Allen, USMC (Ret.) currently serves as president of the Brookings Institution. He is a retired U.S. Marine Corps four-star general and former commander of the NATO International Security Assistance Force and U.S. Forces in Afghanistan. Prior to his role at Brookings, General Allen served as senior advisor to the secretary of defense on Middle East Security as well as special presidential envoy to the Global Coalition to Counter ISIL. He is the first Marine to command a theater of war, as well as the first Marine to be named commandant of midshipmen for the U.S. Naval Academy. (DHS Photo by Benjamin Applebaum/Released) Date: Mar 21, 2022 Location: Washington, DC