Gerardo Werthein

Gerardo Werthein, born in 1955 and trained in veterinary medicine, developed careers in business and international sport before becoming a diplomat. His executive positions included the winery Finca Flichman, Banco Mercantil Argentino, the Caja de Ahorro y Seguro group, and Telecom Argentina. An equestrian competitor, he became a sports administrator and led Argentine teams at international competitions and Olympic Games. ¹

Werthein chaired the Argentine Olympic Committee from 2009 to 2021 and joined the International Olympic Committee in 2011. His international responsibilities included broadcasting, digital technology, and the organization of future Games. He entered the IOC executive board in 2020 and became a vice-president in 2024. ¹

He accompanied Javier Milei on the president-elect's November 2023 visit to the United States and formally became ambassador in 2024. During the short posting he participated in Milei's meetings with investors, legislators, business leaders, and New York Stock Exchange president Lynn Martin. He also joined the embassy's reception for the training ship Libertad. ²

In late October 2024, Werthein moved from Washington to lead the foreign ministry after Diana Mondino's departure. He held that office for approximately a year. The presidency announced his resignation in October 2025, shortly before the legislative election; contemporary reporting did not establish an official reason for the decision. ³