Gerardo Werthein

Gerardo Werthein (born 3 December 1955) is an Argentine businessman and diplomat who served as the minister of foreign affairs, international trade and worship of Argentina between October 2024 and his resignation in October 2025. He previously served as the ambassador of Argentina to the United States from April to October 2024.

Early life and career Werthein was born into a Russian family of Jewish origin. His great-grandfather, Leon Werthein, emigrated from Bessarabia to Argentina in 1904 with his wife Ana Jajam and their four children, Gregorio, Elisa, Numo, and Israel, fleeing the persecution of Jewish people by the Russian Empire. The Werthein family began with large-scale livestock operations in Argentina and later established the Werthein Group, a major economic conglomerate that has included ownership of Telecom Argentina.

Werthein served as president of the Argentine Olympic Committee from 2009 to 2021. He has also been a member of the International Olympic Committee (IOC) and the Olympic Broadcasting Services since 2011, joining the IOC Executive Board as an "Executive Member" in 2020. During his tenure as president, Buenos Aires was selected as the host city for the 2018 Summer Youth Olympics, which took place in October of that year.

Political career Ambassador to the United States (2023 -2024) Following Javier Milei's electoral victory in the 2023 Argentine presidential elections, Werthein accompanied Milei on a trip to New York and was present at the meetings Milei held with various figures, including former U.S. President Bill Clinton. After Milei's presidential inauguration, he nominated Werthein as the Argentine ambassador to the United States. His appointment was finally approved by the Argentine Senate on April 18, 2024. Wethein's inauguration featured a Torah, on which Werthein swore to uphold his position faithfully.

Werthein resigned on 22 October 2025, less than a week before the midterm election.