Single Family Office

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Brian Singerman

Brian Singerman, former Founders Fund partner, runs a family office investing in early-stage tech including AI, digital health, and space startups.

Brian Singerman

Brian Singerman, a former partner at Founders Fund and early investor in SpaceX, established his family office to concentrate on high-risk, high-reward technology startups. The wealth originates from his successful venture capital career, including large exits from companies like Stemcentrx, which was acquired by AbbVie for up to $10.2 billion (per Reuters, 2016). The firm invests directly in early-stage companies primarily within North America, with a focus on commercializing breakthrough science. Its portfolio spans AI/ML, digital health, enterprise software, and fintech, with known positions including SpaceX and other space technology ventures. Singerman often leads or co-invests in rounds alongside other institutional venture funds, maintaining a hands-on approach with portfolio companies. The family office operates with a lean team from San Francisco, and Singerman remains active in the venture ecosystem. He has not publicly disclosed total assets under management, but his investing pattern suggests a multi-billion-dollar capacity based on realized and unrealized gains from his Founders Fund era. A recent operational event includes ongoing direct investments in AI and healthcare startups through 2025 and 2026, as tracked by public filings. A structural differentiator is Singerman's ability to source proprietary deals through his extensive network from Founders Fund, where he co-invested alongside Peter Thiel. His background as a PhD candidate in computational biology at Stanford informs a thesis that leverages deep technical diligence in healthcare and science-driven startups, setting him apart from generalist family offices.

General information

Firm type

Single Family Office

Year founded

AUM

Undisclosed

Location

Region

North America

Country

United States

City

San Francisco

Corporate office

San Francisco, CA, United States

Principals

Brian Singerman

Founder and Managing Director

Sector focus

AI/MLDigital HealthEnterprise SoftwareFinTechGamingHRTechSpaceTechClimateTech

Frequently asked questions

Who runs investment decisions at Brian Singerman's family office?

Brian Singerman, the founder, makes all investment decisions for his family office. He previously served as a partner at Founders Fund and holds a PhD in computational biology from Stanford, which informs his deep-tech investment thesis.

What sectors does Singerman target?

The firm focuses on early-stage startups in AI/ML, digital health, fintech, enterprise software, gaming, HR tech, space tech, and climate tech. Singerman often seeks companies that leverage advanced science or engineering to disrupt large markets.

Does Singerman participate in fund commitments or only direct deals?

The firm primarily makes direct investments in startups, often leading or co-investing rounds. Singerman may also commit to venture funds selectively, but his public record emphasizes direct co-investments alongside institutional VCs.

How is Singerman related to Founders Fund?

Brian Singerman was a partner at Founders Fund from 2006 to roughly 2018, where he led investments in SpaceX, Stemcentrx, and others. His family office operates independently, though his network and deal flow remain connected to that ecosystem.

Where does Singerman's underlying wealth come from?

The wealth stems from his venture capital career, particularly his early investment in SpaceX and the successful acquisition of Stemcentrx by AbbVie for up to $10.2 billion (per Reuters, 2016).

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

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