In July 2014 , President Obama nominated Tefft as the United States Ambassador to Russia in Moscow , after receiving Russia 's approval . The Senate confirmed Tefft in a voice vote on July 31 , 2014 . The confirmation followed several attempts as a number of ambassadorial appointments were being held up at the time . Strained relations with Russia over pro-separatist activity in eastern Ukraine , the country 's annexation of Crimea , and the alleged shooting down of a commercial airliner , prompted senators to finally approve the nomination . He presented his credentials to President Vladimir Putin on November 19 , 2014 and left the position on September 28 , 2017
alleged shooting down of a commercial airliner
Malaysia Airlines Flight 17
John F. Tefft