. . . . . "Geoffrey R. Pyatt" . . . . . . "Geoffrey Pyatt" . . . "United States Ambassador to Greece" . . . "2016-08-18" . . "Geoffrey R. Pyatt" . "Assistant Secretary of State for Energy Resources" . . . . "1963" . "2016-10-24" . . . . . . . . . . . . "United States Ambassador to Ukraine" . . "2022-05-10" . . . . "2013-07-30" . . "8th" . . . . . .