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Business & Money • Venture Capital

Peter Thiel

Peter Thiel is a German-American entrepreneur, venture capitalist, and political activist.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Peter Thiel is a German-American entrepreneur, venture capitalist, and political activist. He is best known as a co-founder of PayPal and Palantir Technologies, a founding partner of Founders Fund, and Facebook’s first outside investor.

Early life and education

Peter Thiel was born in Frankfurt am Main, West Germany, on 11 October 1967. He later moved with his family to the United States and studied at Stanford University, eventually becoming a prominent figure in Silicon Valley.

Business career

Thiel co-founded PayPal in 1998 and later co-founded Palantir Technologies in 2003. He is a founding partner of Founders Fund, a venture capital firm, and was Facebook’s first outside investor, joining its board after an early angel investment in 2004. As of December 2025, his estimated net worth was US$27.5 billion according to reporting cited by Wikipedia.

Political activity

Thiel is widely described as a conservative political activist, with libertarian or paleolibertarian leanings in some sources. He has been active in supporting conservative and libertarian-leaning causes in U.S. politics.

Public profile

Thiel is also known as an author, philanthropist, and influential Silicon Valley investor. He has described himself publicly as gay, including in a speech at the Republican National Convention. His public statements on technology, politics, and social issues have made him a frequent subject of media coverage.

Key facts

  • Peter Thiel co-founded PayPal (1998), Palantir Technologies (2003), and Founders Fund.
  • He was Facebook’s first outside investor and joined its board after an early angel investment in 2004.
  • As of December 2025, his estimated net worth was US$27.5 billion.
  • Thiel is a conservative political activist with libertarian or paleolibertarian leanings.
  • He has publicly identified as gay.

Frequently asked questions

Who is Peter Thiel?
Peter Thiel is a German-American entrepreneur, venture capitalist, and political activist best known for co-founding PayPal and Palantir Technologies and for being Facebook’s first outside investor.
What is Peter Thiel's net worth?
His estimated net worth was US$27.5 billion as of December 2025, according to reporting cited in Wikipedia.
What companies did Peter Thiel co-found?
He co-founded PayPal, Palantir Technologies, and Founders Fund.
Is Peter Thiel gay?
Yes. Thiel has publicly identified as gay.
What is Peter Thiel's political affiliation?
He is generally described as conservative and libertarian-leaning, and as a conservative political activist.
Why did Peter Thiel leave Facebook?
The available sources say he was Facebook’s first outside investor and joined the board, but they do not state that he left Facebook. He is described as having sold most of his shares in 2012 while remaining on the board.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Peter_Thiel
    Supports: Birth date, birthplace, roles, co-founded companies, Facebook investment, net worth estimate, and political description.
  2. Britannicahttps://www.britannica.com/money/Peter-Thiel
    Supports: Biography, occupation, and co-founding of PayPal and Palantir.
  3. Bloomberghttps://www.bloomberg.com/billionaires/profiles/peter-a-thiel/
    Supports: Founders Fund role and billionaire profile context.
  4. Wikiberalhttps://www.wikiberal.org/wiki/Peter_Thiel
    Supports: Libertarian political orientation.
  5. The New Yorkerhttps://www.newyorker.com/news/letter-from-silicon-valley/what-is-it-about-peter-thiel
    Supports: Political activity and public declaration of sexuality.
  6. Federalist Societyhttps://fedsoc.org/bio/peter-thiel
    Supports: Cofounding PayPal and Palantir, first outside Facebook investment, and Founders Fund role.