John F. Tefft is a career U.S. Foreign Service Officer since 1972. He has served as the United States' ambassador to Ukraine, Georgia, and Lithuania, as well as chargé d'affaires of the Embassy of the United States in Moscow, Russia. Wikipedia*
On the C-SPAN Networks:
John Tefft has two videos in the C-SPAN Video Library; the first appearance was a 2004 House Committee as a Deputy Assistant Secretary for the Department of State. The year with the highest average number of views per program was 2014 with an average of 761 views per program.