Brent Scowcroft
Brent Scowcroft KBE (/ˈskoʊkrɒft/; born March 19, 1925) is a retired United States Air Force Lieutenant General. He was the United States National Security Advisor under U.S. Presidents Gerald Ford and George H. W. Bush. He also served as Military Assistant to President Richard Nixon and as Deputy Assistant to the President for National Security Affairs in the Nixon and Ford administrations. He served as Chairman of the President's Foreign Intelligence Advisory Board under President George W. Bush from 2001 to 2005 and assisted President Barack Obama in choosing his national security team.