Mike Hammer (diplomat)

Mike Hammer
United States Special Envoy
for the Horn of Africa
In office
June 1, 2022  November 15, 2024
PresidentJoe Biden
Preceded byDavid Satterfield
Succeeded byTBD
United States Ambassador to the Democratic Republic of the Congo
In office
December 22, 2018  June 1, 2022
PresidentDonald Trump
Joe Biden
Preceded byJames Swan
Succeeded byLucy Tamlyn
United States Ambassador to Chile
In office
April 8, 2014  August 2016
PresidentBarack Obama
DeputyDale Eppler
Preceded byAlejandro Wolff
Succeeded byCarol Perez
27th Assistant Secretary of State for Public Affairs
In office
March 14, 2011  September 3, 2013
Acting: March 14, 2011 – March 30, 2012
PresidentBarack Obama
Preceded byPhilip Crowley
Succeeded byDouglas Frantz
Personal details
Born (1963-12-26) December 26, 1963
Washington, D.C., U.S.
Alma materGeorgetown University (BS)
Tufts University (MA)
National Defense University (MA)

Michael A. Hammer (born December 26, 1963) is an American diplomat who served as the United States Special Envoy for the Horn of Africa 2022 to 2024. A career member of the United States Foreign Service, Hammer previously served as the United States ambassador to Chile from 2014 to 2016 and the United States ambassador to the Democratic Republic of the Congo from 2018 to 2022. Hammer was appointed Chargé d'affaires ad interim to Cuba on November 14, 2024.