Brian Singerman
InvestorPartner Emeritus at Founders Fund · Board director at LTSE Group · Board director at LTSE Holdings · Board director at Misfit
San Francisco, CA
Writes $500K – $150M checks · typically $25M
Midas 2015 · #44Midas 2016 · #36Midas 2017 · #5Midas 2018 · #10Midas 2019 · #28Midas 2020 · #22Midas 2021 · #25Midas 2022 · #43Midas 2023 · #92Midas 2024 · #82Midas 2025 · #84
Photo: Frankruddy, CC BY-SA 3.0, via Wikimedia Commons ↗
About
Brian Singerman spent over 15 years as a general partner at Founders Fund, where he led the firm's investments in Anduril, Oscar Health and The Boring Company, before moving to partner emeritus at the end of 2024. In 2025 he co-founded GPx with Quiet Capital's Lee Linden, closing a $500 million debut fund backed by Peter Thiel that invests in emerging seed managers and doubles down on their breakout companies.
Contact· published on Brian's own website
Likely email· guessed from name + firm domain, not firm-published
- b•••@foundersfund.comreveal100% confident
Invests in
AI & Machine LearningBiotechDefense TechFintechSpace Tech
Beyond investing
- Founded
- Singerman co-founded the venture capital firm GPx with Lee Linden in 2025. While at Google, Singerman launched a $1 million angel fund called the XGYC Fund, short for 'ex-Google, Y Combinator.'
- Education
- Studied at Stanford University (BS, Computer Science, 1999)
- More
- Singerman founded the personalized web portal iGoogle during his time at Google.
From Brian's own website — common ground for a warm intro.
Board director at LTSE Group
Intro paths
In turn, Brian can intro founders to LTSE Group's investors below.
LTSE Group's investors · 1
Co-founders at LTSE Group
Board director at LTSE Holdings
Intro paths
In turn, Brian can intro founders to LTSE Holdings's investors below.
LTSE Holdings's investors · 1
Co-founders at LTSE Holdings
Board director at Misfit
Intro paths
In turn, Brian can intro founders to Misfit's investors below.
Misfit's investors · 6
Co-founders at Misfit
Experience
- The Founders FundPartnercurrent2011 — presentSan Francisco Bay Area
- The Founders FundPrincipal2008 — 2011
- GoogleEngineering Manager2007 — 2008
- GoogleSoftware Engineer2004 — 2007
- There, IncSoftware Engineer2000 — 2004
Skills & more
From Brian's professional profile.
Deals · 8
LTSE HoldingsBoard seat
via Founders Fund · filed Aug 2022 · $103.4M raise
LTSE GroupBoard seat
via Founders Fund · filed Aug 2019 · $261.1K raise
SolugenBoard seat
via Founders Fund · filed May 2019 · $20M raise
Cloud9Board seat
via Founders Fund · filed Sep 2017 · $25M raise
AltSchoolBoard seat
via Founders Fund · filed Mar 2016 · $81.2M raise
Mulberry HealthBoard seat
via Founders Fund · filed Apr 2015 · $134.9M raise
MisfitBoard seat
via Founders Fund · filed Jan 2015 · $40M raise
HealthcareLed round
via Founders Fund · filed Oct 2014
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Led
Stemcentrx
Board seats
AffirmEmerald TherapeuticsOscar HealthPostmatesThe Long-Term Stock Exchange
Investor
Oculus VR
Sources: curated public sources · SEC Form D filings.
Podcasts & interviews
featuring Brian SingermanBrian Singerman: How I Became a Partner at Founders Fund, Why We Put $400M into Anduril | 20VC #943
20VC with Harry Stebbings
Brian Singerman on TWiST #2: How SpaceX and Sean Parker attracted Brian to Founders Fund
This Week in Startups Clips
Gloating LP vs one of the greatest funds in history - Brian Singerman Founders Fund
This Week in Startups
Founders Fund's Brian Singerman on building a legendary VC firm, “Adapt or Die” and "Ikigai" | E1896
This Week in Startups
Brian Singerman (Founders Fund) Shares His Investment Criteria
This Week in Startups Clips
Founders Fund’s Brian Singerman on when we'll see AGI, future of jobs, & polarization of wealth
This Week in Startups
5 more appearances
- E748: LAUNCH Angel Summit: Top VC Brian Singerman Founders Fund (fmr Google)shares best of portfolio2017-07-21
- Brian Singerman: "If SpaceX Didn't Work, Founders Fund Wouldn't Exist"2026-06-11
- Brian Singerman on why SpaceX made angel investing feel small2026-06-11
- Brian Singerman on why Founders Fund only hired the best in the world at one thing2026-06-11
- Founders Fund - Funding the Future with Brian Singerman | 2024 Upfront Summit2024-03-20
Colleagues at Founders Fund
Network10
Investors connected to Brian in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Brian Singerman?
- Brian Singerman spent over 15 years as a general partner at Founders Fund, where he led the firm's investments in Anduril, Oscar Health and The Boring Company, before moving to partner emeritus at the end of 2024. In 2025 he co-founded GPx with Quiet Capital's Lee Linden, closing a $500 million debut fund backed by Peter Thiel that invests in emerging seed managers and doubles down on their breakout companies.
- Where does Brian Singerman work?
- Brian Singerman is Partner Emeritus at Founders Fund and Board director at LTSE Group and Board director at LTSE Holdings and Board director at Misfit.
- What does Brian Singerman invest in?
- Brian Singerman invests in AI & Machine Learning, Biotech, Defense Tech, Fintech, Space Tech.
- What check size does Brian Singerman write?
- Brian Singerman typically writes checks of $500K – $150M.
- What boards does Brian Singerman sit on?
- Brian Singerman holds tracked board seats at Affirm, AltSchool, Cloud9, Cloud9, Emerald Therapeutics, LTSE Group, LTSE Holdings, LTSE Holdings, Misfit, Mulberry Health.
- What companies has Brian Singerman invested in?
- Investments tracked here include Stemcentrx, Oculus VR.
- Where did Brian Singerman go to school?
- Brian Singerman studied at Stanford University (BS, Computer Science).
- What podcasts and interviews feature Brian Singerman?
- Tracked appearances include "Brian Singerman: How I Became a Partner at Founders Fund, Why We Put $400M into Anduril | 20VC #943", "Brian Singerman on TWiST #2: How SpaceX and Sean Parker attracted Brian to Founders Fund", "Gloating LP vs one of the greatest funds in history - Brian Singerman Founders Fund", and 8 more.
- Does Brian Singerman lead rounds?
- Yes — Brian Singerman has led 1 tracked investment.
Paths to reach Brian
People who overlapped with Brian at the same organization — a shared school or employer with one of them is a warm way in.
Together at Founders FundBrian: Partner Emeritus
Together at Stanford UniversityBrian: BS
.jpeg)
Same school
Also attended Stanford University2,000
+ 1,994 more
Shared employers
Also worked at The Founders Fund36
+ 30 more
Also worked at Google1,715
+ 1,709 more