Ryan Crocker is Dean and Executive Professor at the George Bush School of Government & Public Service at Texas A&M University where he holds the Edward and Howard Kruse Endowed Chair. He retired from the Foreign Service in April 2009 after a career of over 37 years but was recalled to active duty by President Barack Obama to serve as U.S. Ambassador to Afghanistan in 2011. He has served as U.S. Ambassador six times: Afghanistan (2011-2012), Iraq (2007-2009), Pakistan (2004-2007), Syria (1998-2001), Kuwait (1994-1997), and Lebanon (1990-1993).