Here's an alphabetical list of prominent (if not famous) FAOs who have achieved General Officer rank. Any to add?
GEN (ret.) John Abizaid, USA
Distinguished Visiting Fellow, Hoover Institution, Stanford University
Former Commander of United States Central Command
LTG Keith Dayton, USA
U.S. Security Coordinator for the Israel-Palestinian Authority
The Honorable Karl Eikenberry
U.S. Ambassador to Afghanistan, LTG (ret.), USA
BG Charles Hooper, USA
Deputy Director for Strategic Planning and Policy, J5
U.S. Pacific Command
Brig. Gen. Richard Lake, USMC
Deputy Director of the National Clandestine Service for Community Human Intelligence
Central Intelligence Agency
BG Henry Nowak, USA
Deputy Director for Information and Cyberspace Policy, J5
Joint Chiefs of Staff
BG Mark O'Neill, USA
Deputy Commandant
United States Army Command and General Staff College
BG (ret.) Kevin Ryan , USA
Senior Fellow, Belfer Center for Science and International Affairs, Harvard University