. "2008-08-11" . . . "United States Ambassador to Poland" . . "Under Secretary of State for Political Affairs" . . . "United States Ambassador to Lithuania" . . . . "2006-06-16" . . . "Acting" . . "1958" . "2009-06-21" . . . "1958-04-30" . . . "2015-09-25" . "2003-08-26" . . . "Coordinator forIran Nuclear Implementation" . . . . . . . . . "2015-09-25" . . "Stephen D. Mull" . . . "2018-08-29" . "Stephen D. Mull" . . . "Executive Secretary of the Department of State" . . . . . "2012-10-05" . . . "2018-06-05" . . "Assistant Secretary of State for Political-Military Affairs" . . . . "Stephen Mull" . . . . "2007-01-11" . . "2012-11-08" . . .