George James Tsunis

George James Tsunis
United States Ambassador to Greece
In office
May 10, 2022  January 20, 2025
PresidentJoe Biden
Preceded byGeoffrey R. Pyatt
Succeeded byTBC
Personal details
Born (1967-12-26) December 26, 1967
Queens, New York, U.S.
Political partyDemocratic
SpouseOlga Tsunis
Children3
Alma materNew York University (BA)
St. John's University (JD)
OccupationCEO
WebsiteU.S. Embassy to Greece

George James Tsunis (Greek: Γεώργιος Δημητρίου Τσούνης) (born December 26, 1967) is an American lawyer and businessman who served as United States ambassador to Greece from 2022 to 2025. He was nominated by President Joe Biden to serve in the role on October 8, 2021, confirmed by the United States Senate on March 10, 2022, and began serving on May 10, 2022.

He was previously a nominee to be the U.S. ambassador to Norway by President Barack Obama, although his nomination ultimately failed.