Billionaire tech investor Peter Thiel has withdrawn from a high-profile libertarian summit in Argentina scheduled for September 1-2, days after protesters dressed as Gandalf demonstrated outside his Buenos Aires mansion. Thiel was set to appear alongside President Javier Milei at the “Vientos de Cambio,” or “Winds of Change,” summit organized by the Libertad y Progreso Foundation, where he was expected to hold a public conversation with Chilean commentator Axel Kaiser.
The Libertad y Progreso Foundation said in a statement that Thiel canceled because of scheduling and logistical issues unrelated to the protest. “Due to scheduling and logistical reasons completely unrelated to the organization of the event, Peter Thiel will ultimately be unable to travel to Buenos Aires,” the foundation said, according to Argentine news outlet elDiarioAR. The organization said Thiel and his team had attempted to reconcile the appearance with previous commitments but that travel difficulties made his participation impossible.
The summit is intended to showcase Argentina’s economic transformation under Milei and will bring together government officials, investors, academics, and think tanks from Latin America, the United States, and Europe. Economy Minister Luis Caputo and Deregulation Minister Federico Sturzenegger are among the government officials scheduled to participate, according to Argentine news outlet La Nación.
The Gandalf Protest and Thiel’s Argentina Investments
Thiel’s withdrawal came days after an unusual demonstration Monday outside his home in Barrio Parque, one of Buenos Aires’ most exclusive neighborhoods. A group of protesters wearing gray robes, pointed hats, and white beards dressed as Gandalf, the wizard from J.R.R. Tolkien’s “The Lord of the Rings,” gathered outside the property carrying a banner reading “You shall not pass,” according to La Nación.
The choice of character was a pointed reference to Thiel’s well-documented fascination with Tolkien. Thiel co-founded data analytics company Palantir Technologies, whose name comes from the “palantíri,” seeing stones in Tolkien’s fictional universe that allow their users to communicate across long distances and view faraway events. The demonstrators protested Thiel’s growing presence and investments in Argentina, including a recently disclosed $76 million stake in oil producer Vista Energy.
Thiel Macro LLC reported holding 1,189,792 American depositary shares of Vista at the end of the second quarter, worth approximately $76 million and representing about 1% of the company, according to a U.S. Securities and Exchange Commission filing cited by La Nación. The Vista investment was the fund’s second-largest reported equity position behind Amazon and represented about 18% of its reported stock portfolio. Vista is one of the major operators in Vaca Muerta, Argentina’s massive shale oil and gas formation, making the investment Thiel’s most significant publicly disclosed financial bet in the country.
Thiel’s financial expansion has come alongside increasingly visible ties to Milei and senior members of his government. Thiel met with Milei at the Casa Rosada presidential palace in April, part of a series of meetings between the two over the past two years. Thiel and Milei were first introduced in 2024 at a meeting organized by Alec Oxenford, Argentina’s ambassador to the United States. The two have met at least four times since early 2024, including encounters at the Casa Rosada in January 2024, at the Milken Institute conference in Los Angeles in May 2024, and again in Buenos Aires in April 2026.
During his latest stay in Argentina, Thiel also met with presidential adviser Santiago Caputo, while Economy Minister Luis Caputo received him at the Economy Ministry in May, according to La Nación. Thiel temporarily settled in Buenos Aires with his husband and children in early April and purchased a six-bedroom mansion in Barrio Parque for about $12 million. His outreach has extended beyond Milei’s political circle: on June 3, Thiel held a more than three-hour meeting at his home with opposition lawmaker and social leader Juan Grabois, one of Milei’s most outspoken political opponents, to discuss the political and technological projects of Silicon Valley’s emerging elite.
Sources
- UPI — Thiel’s withdrawal from the summit, the Gandalf protest, his Vista Energy investment stake, and his meetings with Milei and Argentine officials.
- La Nación — Details on the protest, the Vista Energy holding, Thiel’s mansion purchase, and his meetings with Argentine government and opposition figures.
- elDiarioAR — The Libertad y Progreso Foundation’s statement on Thiel’s cancellation and the summit details.
- Tolkien Gateway and Wikipedia — The etymology and meaning of “palantír” in Tolkien’s works and Palantir Technologies’ naming origin.
