Thomas Michael Tolliver Niles (born September 22, 1939, Lexington, Kentucky) is a diplomat who served as a career Foreign Service Officer and United States Ambassador to Canada (1985–89),[1] the European Union (1989–91), and Greece (1993–97).

[2] He has since served as President and Vice Chairman of the United States Council for International Business and is a member of the American Academy of Diplomacy.

[3] He graduated from Harvard University and the University of Kentucky.

[4] Niles joined the Foreign Service in 1962.

[5] This American diplomat–related article is a stub.