Peter Thiel Bio
Peter Andreas Thiel is a German and American entrepreneur, venture capitalist, and political activist. He is the co-founder of PayPal (1998), Palantir Technologies (2003), and Founders Fund (2005), and was the first outside investor in Facebook (2004). Over a career spanning more than three decades, Thiel has built and led investment firms including Clarium Capital, Thiel Capital, Valar Ventures, and Mithril Capital, while also shaping public debate on technology, monopoly, and the future of liberal democracy. He is widely regarded as one of the most influential investors and intellectuals in Silicon Valley, and remains a prominent figure in American political and philanthropic life.
Born in Frankfurt, West Germany, in 1967 and raised in the United States, Thiel emerged as a leading voice in the 1990s technology boom through the rise of digital payments. Since then, he has expanded his influence into defense technology, life extension research, and conservative political movements, while continuing to champion ambitious, transformative ventures through his network of funds and foundations.
Peter Thiel Early Life and Background
Early Life and Background
Peter Andreas Thiel was born on 11 October 1967 in Frankfurt am Main, Hesse, then part of West Germany, to Klaus Friedrich Thiel and Susanne Thiel. When Peter was one year old, the family emigrated to the United States and settled in Cleveland, Ohio, where his father worked as a chemical engineer. Klaus worked for various mining companies, which created an itinerant upbringing for Peter and his younger brother, Patrick Michael Thiel. Thiel and his mother later naturalized as U.S. citizens, while his father did not.
Before settling in Foster City, California, in 1977, the Thiel family lived in South Africa and South West Africa (modern-day Namibia) during the era of apartheid. Peter changed elementary schools seven times and attended a German-language school in Swakopmund for two years that used corporal punishment, an experience he has said instilled a lasting distaste for uniformity and regimentation. He later attended Bowditch Middle School in Foster City, where he excelled in mathematics and finished first in a California-wide competition.
Thiel graduated as valedictorian of San Mateo High School in 1985. He went on to study philosophy at Stanford University, earning a Bachelor of Arts degree in 1989, and later obtained a Juris Doctor from Stanford Law School in 1992. While at Stanford, he co-founded The Stanford Review in 1987, a conservative and libertarian newspaper, after a campus curriculum change replaced a Western Culture program with a more multicultural offering.
Path to Venture Capital
After law school, Thiel clerked for Judge James Larry Edmondson of the U.S. Court of Appeals for the Eleventh Circuit from 1992 to 1993. He then worked briefly as a securities lawyer at Sullivan & Cromwell in New York before leaving the firm in under a year. In 1993, he took a job as a derivatives trader in currency options at Credit Suisse while also working as a speechwriter for former United States Secretary of Education William Bennett.
Thiel returned to California in 1996 and, with financial support from friends and family, raised one million dollars to establish Thiel Capital Management. An early setback followed when he invested $100,000 in a web-based calendar project by his friend Luke Nosek that ultimately failed. Soon afterward, Nosek’s friend Max Levchin pitched a cryptography-related idea that became Fieldlink, later renamed Confinity, and marked Thiel’s entry into the emerging online payments industry.
Peter Thiel Career
Early Career (1992-1998)
Thiel’s early professional years were defined by a series of short but formative roles. Following his federal clerkship, he practiced corporate law at Sullivan & Cromwell in New York. The Wall Street experience proved brief, and he soon joined Credit Suisse as a derivatives trader while drafting speeches for William Bennett. Each step broadened his financial and political networks, and by 1996 he had moved back to the Bay Area to capitalize on the dot-com boom.
His transition into venture capital began in 1996 with the founding of Thiel Capital Management. The first major venture, the failed calendar startup with Luke Nosek, was followed quickly by his partnership with Max Levchin on Fieldlink, which evolved into Confinity and ultimately into PayPal. The early career years built the foundation for Thiel’s reputation as both a disciplined operator and a contrarian investor willing to back unproven ideas.
PayPal Era (1998-2002)
In 1998, Thiel co-founded Confinity with Max Levchin and Luke Nosek, providing the initial $100,000 for the company. In February 1999, they raised $500,000, with $35,000 coming from Thiel’s parents, and by mid-1999 had secured $4.5 million, including $3 million from Nokia Ventures. Confinity launched PayPal in 1999 as a digital wallet that allowed consumers to make secure online payments without sharing bank account information.
PayPal was launched at a press conference in 1999, where representatives from Nokia and Deutsche Bank sent $3 million in venture funding to Thiel using PayPal on their PalmPilots. The company expanded rapidly through a 2000 merger with Elon Musk’s online financial services company X.com, and later with Pixo, a mobile commerce firm. PayPal went public on 15 February 2002, and in October 2002 was acquired by eBay for $1.5 billion. Thiel remained CEO of the company until the sale, and his 3.7% stake was worth $55 million at the time of the acquisition. In Silicon Valley, he became colloquially known as the “Don of the PayPal Mafia.”
Investor and Chairman Era (2003-Present)
Following PayPal, Thiel founded Clarium Capital Management, a San Francisco-based global macro hedge fund, using $10 million of his own proceeds. In May 2003, he incorporated Palantir Technologies, a big data analytics company named after the Tolkien artifact, and has served as its chairman since inception. In August 2004, Thiel made his landmark $500,000 angel investment in Facebook, acquiring a 10.2% stake in the then three-person dorm room startup and joining the company’s board.
In 2005, Thiel launched Founders Fund with PayPal colleagues Ken Howery and Luke Nosek. He went on to co-found Valar Ventures in 2010, found Thiel Capital in 2011, and co-found Mithril Capital in 2012. He also served as a part-time partner at Y Combinator from 2015 to 2017. Thiel expanded internationally through strategic investments, including a 2020 anchor role in the German-focused Elevat3 fund and a 2021 strategic partnership with Oslo-based SNÖ Ventures. He announced in February 2022 that he would not stand for re-election to the board of Meta after 17 years, in order to support pro-Donald Trump candidates in the 2022 elections.
Notable Events and Milestones
Thiel’s $500,000 investment in Facebook in 2004 is widely regarded as one of the most consequential angel investments in technology history, ultimately returning more than $1 billion by 2012. His May 2003 founding of Palantir Technologies has produced one of the most influential defense and analytics companies in the United States. In May 2016, Thiel confirmed that he had funded Hulk Hogan’s lawsuit against Gawker Media, an event that led to Gawker’s bankruptcy and closure. In 2011, he was granted New Zealand citizenship under an exceptional circumstances clause, a decision that later became controversial.
Peter Thiel Career Wins
Thiel’s career is anchored by a small number of high-impact, high-return investments and the founding of enduring institutions. His angel investment in Facebook, his co-founding of PayPal and Palantir, and the build-out of Founders Fund and other venture vehicles have made him one of the most successful technology investors of his generation.
Career Highlights
PayPal was sold to eBay in October 2002 for $1.5 billion, producing $55 million for Thiel’s 3.7% stake. His $500,000 Facebook investment was sold in stages between 2012 and 2017 for more than $1 billion. Founders Fund has produced early-stage investments in Airbnb, LinkedIn, SpaceX, Stripe, Spotify, DeepMind, and PsiQuantum, among many others, and in 2025 led a $1 billion investment in Anduril, the largest single investment in the fund’s history. Palantir Technologies has grown into a major defense and analytics company with Thiel as chairman since its founding.
Other Wins and Achievements
Beyond the headline companies, Thiel has backed dozens of successful startups through Founders Fund, Valar Ventures, and Mithril Capital, including Wise, Xero, Spotify, Lyft, and atomic computing and nuclear-related ventures. His philanthropic initiatives, including the Thiel Fellowship created in 2010 and Breakout Labs launched in 2011, have supported hundreds of young entrepreneurs and science-focused startups. He also authored the 2014 book Zero to One, drawn from his Stanford startup class, which became a widely read business text.
Peter Thiel Family
Family Background and Lineage
Thiel was born to Klaus Friedrich Thiel, a chemical engineer who worked for various mining companies, and Susanne Thiel. The family emigrated from Frankfurt to Cleveland, Ohio, when Peter was one year old, and later lived in South Africa and South West Africa before settling in Foster City, California, in 1977. Peter has a younger brother, Patrick Michael Thiel.
Personal Life
Thiel resided in San Francisco, California, until 2018, when he moved to Los Angeles, citing his dissatisfaction with the city’s politics and costs. He married his long-time partner, Matt Danzeisen, in Vienna, Austria, on his 50th birthday in October 2017. Danzeisen has worked as head of private investments at Thiel Capital. The couple has two young daughters, born through a surrogate, with reports in 2025 indicating that Thiel has four children. Thiel is a self-described Christian with heterodox views influenced by René Girard, and he has been described in media accounts as gay.