John A. Heffern

John A. Heffern
Assistant Secretary of State for European and Eurasian Affairs
Acting
In office
January 20, 2017  August 23, 2017
PresidentDonald Trump
Preceded byVictoria Nuland
Succeeded byA. Wess Mitchell
7th United States Ambassador to Armenia
In office
October 6, 2011  December 22, 2014
PresidentBarack Obama
Preceded byMarie L. Yovanovitch
Succeeded byRichard M. Mills Jr.
Personal details
Born1953 (age 7172)
Saint Louis, Missouri
Alma materMichigan State University (B.A.)

John A. Heffern (born 1953) is an American diplomat. Heffern served as the United States Ambassador to Armenia from 2011 to 2014. After being nominated on May 18, 2011 by United States President Barack Obama, Heffern was confirmed by the U.S. Senate on September 26, 2011 and sworn in as ambassador on October 6, 2011. He was replaced by Ambassador Richard M. Mills Jr. in early 2015.