Founders Fund

Founders Fund, established in 2005 and headquartered in San Francisco, is a venture capital firm that invests across various stages and sectors globally. It focuses on companies developing transformative technologies, with a particular interest in science and engineering ventures. These include consumer internet, biotechnology, aerospace and transportation, energy, artificial intelligence, and health. The firm's investment size ranges from $500,000 to $300 million, providing maximum support with minimum interference to its portfolio companies. Founders Fund is known for its founder-friendly approach and has been an early backer of prominent companies like SpaceX, Palantir, Facebook, and Airbnb.

Jennifer Campbell

Partner

Lauren Gross

Partner and COO

Bridget Harris

Associate

Sean Liu

Partner

Jeffrey Lonsdale

Managing Director, Asia

John Luttig

Partner

Amin Mirzadegan

Partner

Luke Nosek

Managing Partner

Stephen Oskoui

Venture Partner

Neil Ruthven

CFO

Eric Scott

Principal

Matias Van Thienen

Partner

Past deals in Fraud Detection

Persona

Series D in 2025
Persona is a company specializing in identity verification solutions designed to enhance online interactions by ensuring trust and security. It provides a comprehensive suite of automated verification components that can be customized and branded, allowing businesses to create tailored processes for various use cases, including age verification and fraud prevention. The company focuses on the complex tasks of collecting, verifying, and managing sensitive personal information, enabling clients to seamlessly verify customer identities with ease and efficiency. By offering worldwide coverage, Persona aims to protect individuals from identity theft and fraud, facilitating secure online transactions and interactions.

Stripe

Series I in 2023
Stripe is a technology company that develops APIs and tools for businesses to accept and manage online payments. It offers a range of products, including Payments, Subscriptions, Connect, Sigma, and Atlas, catering to various industries such as e-commerce, B2B platforms, and non-profits. Stripe also provides fraud detection tools like Radar and user interface components for custom payment forms with Stripe Elements. It supports international debit/credit cards and serves businesses in the U.S., Canada, Europe, and other regions. Additionally, Stripe Capital offers financing options based on payment history, with automatic repayment adjustments based on daily sales.

Persona

Series C in 2021
Persona is a company specializing in identity verification solutions designed to enhance online interactions by ensuring trust and security. It provides a comprehensive suite of automated verification components that can be customized and branded, allowing businesses to create tailored processes for various use cases, including age verification and fraud prevention. The company focuses on the complex tasks of collecting, verifying, and managing sensitive personal information, enabling clients to seamlessly verify customer identities with ease and efficiency. By offering worldwide coverage, Persona aims to protect individuals from identity theft and fraud, facilitating secure online transactions and interactions.

Stripe

Series C in 2014
Stripe is a technology company that develops APIs and tools for businesses to accept and manage online payments. It offers a range of products, including Payments, Subscriptions, Connect, Sigma, and Atlas, catering to various industries such as e-commerce, B2B platforms, and non-profits. Stripe also provides fraud detection tools like Radar and user interface components for custom payment forms with Stripe Elements. It supports international debit/credit cards and serves businesses in the U.S., Canada, Europe, and other regions. Additionally, Stripe Capital offers financing options based on payment history, with automatic repayment adjustments based on daily sales.

Stripe

Series C in 2014
Stripe is a technology company that develops APIs and tools for businesses to accept and manage online payments. It offers a range of products, including Payments, Subscriptions, Connect, Sigma, and Atlas, catering to various industries such as e-commerce, B2B platforms, and non-profits. Stripe also provides fraud detection tools like Radar and user interface components for custom payment forms with Stripe Elements. It supports international debit/credit cards and serves businesses in the U.S., Canada, Europe, and other regions. Additionally, Stripe Capital offers financing options based on payment history, with automatic repayment adjustments based on daily sales.

Stripe

Series B in 2012
Stripe is a technology company that develops APIs and tools for businesses to accept and manage online payments. It offers a range of products, including Payments, Subscriptions, Connect, Sigma, and Atlas, catering to various industries such as e-commerce, B2B platforms, and non-profits. Stripe also provides fraud detection tools like Radar and user interface components for custom payment forms with Stripe Elements. It supports international debit/credit cards and serves businesses in the U.S., Canada, Europe, and other regions. Additionally, Stripe Capital offers financing options based on payment history, with automatic repayment adjustments based on daily sales.

BillGuard

Series B in 2011
BillGuard, Inc. is a personal finance company that developed a mobile application designed to help users manage and secure their finances. The app, available on both iOS and Android platforms, allows users to track their spending, monitor credit for fraudulent activities, and access various identity theft protection services. Features include alerts for card and bank fraud, black market surveillance, credit monitoring, and data breach notifications. Additionally, it provides tools for transaction analysis and charge identification, leveraging crowdsourced data, user feedback, and proprietary algorithms to enhance user awareness. Founded in 2009 by Yaron Samid and Raphael Ouzan, BillGuard was initially known as CrowdSpot before rebranding in 2010. The company operated out of New York and Tel Aviv until its acquisition by Prosper Marketplace in October 2015.
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