# Brian Singerman, Partner at Founders Fund

> Brian Singerman, Partner at Founders Fund. 3 investments on record. The rounds they were named in and the filings that name them, each with its source.

Source: https://millionrounds.com/person/brian-singerman (Millionrounds; every figure on the page links to its filing or article)

San Francisco, US · Partner

# Brian Singerman

Partner at [Founders Fund](https://millionrounds.com/fund/founders-fund)

Latest rounds

- **Triplebyte** Series B · $35M Apr 2019 · led
- **Oscar** Venture · $145M Apr 2015
- **Pulpo Media** Seed Nov 2009

Backs *DevOps* *Consumer Apps*

Profile summary

- **Rounds named:** 3 last Apr 2019
- **Filings:** 20 with regulators
- **Podcasts:** 6 +5 mentions

What this record rests on

- ✓ **Named in rounds** 3 rounds name them
- ✓ **On filings** 20 filings with a regulator
- ✓ **Linked to a firm** At Founders Fund
- **Claimed** Not claimed yet

Titles come from filings their firm signed.

[Correct or remove](https://millionrounds.com/corrections?person=brian-singerman)[Is this you? Claim it](https://millionrounds.com/claim?person=brian-singerman)

## The firm

[**Founders Fund** VC firm · US **161** cheques in 12 months **1120** all time **42** led deploying](https://millionrounds.com/fund/founders-fund)

## Rounds they were named in

- **Rounds:** 3
- **Led:** 1
- **Disclosed:** $180M
- **Active:** 2009–19

2019

- [Triplebyte](https://millionrounds.com/company/triplebyte) *Series B* **$35M** *US* Apr 2019 Led · +6 investors

2015

- [Oscar](https://millionrounds.com/company/oscar) *Venture* **$145M** *US* Apr 2015 Joined · +4 investors · historical

2009

- [Pulpo Media](https://millionrounds.com/company/pulpo-media) *Seed* *US* Nov 2009 Joined · +3 investors · historical

By stage

- Seed **1**
- Series B **1**
- Venture **1**

What they backed

DevOps **1** Consumer Apps **1**

Alongside

- [Ali Rowghani *1*](https://millionrounds.com/fund/ali-rowghani)
- [Caffeinated Capital *1*](https://millionrounds.com/fund/caffeinated-capital)
- [Crosscut Ventures *1*](https://millionrounds.com/fund/crosscut-ventures)
- [Felicis *1*](https://millionrounds.com/fund/felicis-ventures)
- [Goldman Sachs *1*](https://millionrounds.com/fund/goldman-sachs)
- [Initialized Capital *1*](https://millionrounds.com/fund/initialized-capital)
- [Jim Barnett *1*](https://millionrounds.com/fund/jim-barnett)
- [Li Ka-shing *1*](https://millionrounds.com/fund/li-ka-shing)

Rounds where a report named this person rather than a firm, matched on name: read it as a strong hint, not proof, since people share names.

## Companies they are listed as backing

Portfolio

- [Affirm](https://millionrounds.com/company/affirm)
- [Calibrate](https://millionrounds.com/startup/calibrate)
- [Cloud9](https://millionrounds.com/startup/cloud9-inc)
- [Garner Health](https://millionrounds.com/company/garner-health)
- [Misfit Wearables](https://millionrounds.com/startup/misfit-wearables)
- [Modern Health](https://millionrounds.com/company/modern-health)
- [Nerd Street Gamers](https://millionrounds.com/company/nerd-street-gamers)
- [Oscar Health](https://millionrounds.com/company/oscar-health)
- [Ritual](https://millionrounds.com/startup/ritual-2)
- [Stemcentrx](https://millionrounds.com/startup/stemcentrx)
- [Triplebyte](https://millionrounds.com/company/triplebyte)
- AltSchool
- Pulpo Media
- Spotify

## Where they are named on record

Filings

- SEC Form D · Other investment fund **Quiet Select TX LP** Manager of the General Partner of the Issuer since 2026
- SEC Form D · Other investment fund **GPx TX LP** Manager of the General Partner of the Issuer since 2026
- SEC Form D · Other investment fund **GPx LP** Manager of the General Partner of the Issuer since 2026
- SEC Form D · Venture Capital fund **[Founders Fund](https://millionrounds.com/fund/founders-fund)** Managing Member of the General Partner of the Issuer since 2023
- SEC Form D · Company raising **LTSE Services, Inc.** Director on 2 filings · since 2022
- SEC Form D · Venture Capital fund **[Founders](https://millionrounds.com/fund/founders)** Managing Member of the General Partner of the Issuer on 4 filings · since 2019
- SEC Form D · Company raising **LTSE Group, Inc.** Director on 3 filings · since 2019
- SEC Form D · Company raising **Solugen, Inc.** Director on 3 filings · since 2019
- SEC Form D · Venture Capital fund **[Founders](https://millionrounds.com/fund/founders)** Managing Member of the General Partner on 2 filings · since 2019
- SEC Form D · Company raising **Cloud9 Esports, Inc.** Director on 4 filings · since 2017
- SEC Form D · Company raising **AltSchool, PBC** Director on 4 filings · since 2015
- SEC Form D · Company raising **Mulberry Health Inc.** Director since 2015
- SEC Form D · Company raising **Misfit, Inc.** Director since 2015
- SEC Form D · Company raising **AltSchool, Inc.** Director since 2014
- SEC Form D · Venture Capital fund **[Founders](https://millionrounds.com/fund/founders)** Managing Member of the General Partner of the Issuers on 5 filings · since 2014
- SEC Form D · Company raising **Climate Corp** Director since 2012
- SEC Form D · Company raising **Misfit Wearables Corp** Director on 2 filings · since 2012
- SEC Form D · Private Equity fund **[BFF Holdings](https://millionrounds.com/fund/bff-holdings)** Promoter since 2012
- SEC Form D · Venture Capital fund **[Founders](https://millionrounds.com/fund/founders)** Promoter on 2 filings · since 2011
- SEC Form D · Company raising **Prior Knowledge, Inc.** Director since 2011

Each row is a document a firm filed with a regulator: somebody signed it, and it carries a date.

## Also at Founders Fund

- [**Peter Thiel** Partner *93 rounds*](https://millionrounds.com/person/peter-thiel-2)
- [**Bruce Gibney** Partner *3 rounds*](https://millionrounds.com/person/bruce-gibney)
- [**Ken Howery** U.s. Ambassador to the Kingdom of Denmark *2 rounds*](https://millionrounds.com/person/ken-howery)
- [**Trae Stephens** Partner *2 rounds*](https://millionrounds.com/person/trae-stephens)
- [**Delian Asparouhov** Partner *1 round*](https://millionrounds.com/person/delian-asparouhov)
- [**Geoff Lewis** Team *1 round*](https://millionrounds.com/person/geoff-lewis-2)
- [**Scott Nolan** Partner *1 round*](https://millionrounds.com/person/scott-nolan)
- [**Aaron VanDevender** Principal *0 rounds*](https://millionrounds.com/person/aaron-vandevender)

## Hear them before you pitch them

- [Uncapped](https://millionrounds.com/podcasts/uncapped) · 1 Sept 2026 · 1h 3m Uncapped #56 | Brian Singerman from GPx With [Brian Singerman](https://millionrounds.com/person/brian-singerman) Mentions [Founders Fund](https://millionrounds.com/fund/founders-fund)[Lee Linden](https://millionrounds.com/fund/lee-linden)[Peter Thiel](https://millionrounds.com/fund/peter-thiel)[Quiet Capital](https://millionrounds.com/fund/quiet-capital) About this episode Brian Singerman is the co-founder of GPx, a fund launched in 2025 alongside Lee Linden of Quiet Capital. GPx backs elite emerging managers at the early stage, then provides programmatic capital to co-lead later-stage investments when those managers choose to bet their career on a breakout company.… More on the show's page Listen on Apple PodcastsThe show's page
- [Sourcery](https://millionrounds.com/podcasts/sourcery) · 11 Jun 2026 · 51 min Brian Singerman: "If SpaceX Didn't Work, Founders Fund Wouldn't Exist" With [Brian Singerman](https://millionrounds.com/person/brian-singerman) Mentions [Founders Fund](https://millionrounds.com/fund/founders-fund)[Max Levchin](https://millionrounds.com/fund/max-levchin)[Palmer Luckey](https://millionrounds.com/fund/palmer-luckey)[Peter Thiel](https://millionrounds.com/fund/peter-thiel)[Cyan Banister](https://millionrounds.com/person/cyan-banister)[Scott Nolan](https://millionrounds.com/person/scott-nolan) About this episode Brian Singerman spent 17 years at Founders Fund, where he helped drive large concentrated investments into companies like SpaceX, Palantir, Airbnb, Stripe, Stemcentrx, Anduril, and Affirm. He recently left to co-found GPx, a new fund backing emerging managers. In this episode we break down the… More on the show's page Listen on Apple PodcastsThe show's page
- [Upfront Ventures](https://millionrounds.com/podcasts/upfront-ventures) · 20 Mar 2024 · 24 min Founders Fund - Funding the Future with Brian Singerman | 2024 Upfront Summit With [Brian Singerman](https://millionrounds.com/person/brian-singerman) Mentions [Founders Fund](https://millionrounds.com/fund/founders-fund)[Paige Craig](https://millionrounds.com/fund/paige-craig) About this episode Outlander Managing Partner Paige Craig interviews Founders Fund Partner Brian Singerman on how he thinks about strategy as an investor and at the firm, how he thinks about the market, his process for investing in founders. Recorded Feb 28, 2024 at the Upfront Summit. More on the show's page Listen on Apple PodcastsThe show's page
- [This Week in Startups](https://millionrounds.com/podcasts/this-week-in-startups) · 12 Feb 2024 · 50 min Founders Fund's Brian Singerman on building a legendary VC firm, "Adapt or Die" and "Ikigai" | E1896 With [Brian Singerman](https://millionrounds.com/person/brian-singerman) Mentions [Founders Fund](https://millionrounds.com/fund/founders-fund) About this episode This Week in Startups is brought to you by… Imagine AI LIVE is an AI conference where you'll learn how to apply AI in YOUR business directly from the people who build and use these tools. It's taking place March 27th and 28th in Las Vegas, and TWiST listeners can get 20% off tickets at… More on the show's page Listen on Apple PodcastsThe show's page
- [The Twenty Minute VC](https://millionrounds.com/podcasts/20vc) · 31 Oct 2022 · 41 min 20VC: Founders Fund's Brian Singerman on The Price Mismatch Between Public vs Private, Why Now Is Not The Best Time To Be Investing, Why Brian Never Thinks About Reserves and Believes in Cross-Fund Investing & Writing a $400M Check Into Anduril Across Rou With [Brian Singerman](https://millionrounds.com/person/brian-singerman) Mentions [Founders Fund](https://millionrounds.com/fund/founders-fund)[Google](https://millionrounds.com/fund/google-assistant-investments)[Sean Parker](https://millionrounds.com/fund/sean-parker) About this episode Brian Singerman is a Partner @ Founders Fund, one of the best-performing funds of the last two decades. Among their portfolio, they have the likes of Airbnb, Facebook, Stripe, Anduril, and many more generational-defining companies. As for Brian, he has led investments in the likes of Affirm, Oscar… More on the show's page Listen on Apple PodcastsThe show's page
- [The Twenty Minute VC](https://millionrounds.com/podcasts/20vc) · 11 Nov 2021 · 28 min 20VC: The Anduril Memo: Founders Fund's Brian Singerman on What Makes Palmer Luckey One of the Greatest Innovators in History, Why It Is BS The DOD Do Not Want To Work With Silicon Valley & Why in Venture You Have To Play A Different Game to the Hedge Fun With [Brian Singerman](https://millionrounds.com/person/brian-singerman) Mentions [Founders Fund](https://millionrounds.com/fund/founders-fund)[Palmer Luckey](https://millionrounds.com/fund/palmer-luckey)[Google](https://millionrounds.com/fund/google-assistant-investments) About this episode Brian Singerman is a General Partner @ Founders Fund, one of the most prominent venture firms of the last decade with a portfolio including Anduril, SpaceX, Tesla, Palantir, Stripe, Affirm, Airbnb, Facebook, and many more. As for Brian, he has led investments in the likes of Affirm, Oscar Health,… More on the show's page Listen on Apple PodcastsThe show's page

### Mentioned in

Episodes that name Brian Singerman in their description, which is not the same as being on them.

- [Equity](https://millionrounds.com/podcasts/equity) · 6 Dec 2024 · 30 min Who knew you could get a $500 million valuation without launching a product? Mentions [Founders Fund](https://millionrounds.com/fund/founders-fund)[Google](https://millionrounds.com/fund/google-assistant-investments)[Brian Singerman](https://millionrounds.com/person/brian-singerman)[Sriram Krishnan](https://millionrounds.com/person/sriram-krishnan-3) About this episode AI agent startup /dev/agents announced a massive $56M seed round, putting the company’s valuation at a whopping $500 million. The amount is impressive given the company won’t have a first version of its product available until at least early next year. The reason behind investors’ trust, however,… More on the show's page Listen on Apple PodcastsThe show's page
- [The Twenty Minute VC](https://millionrounds.com/podcasts/20vc) · 3 Apr 2024 · 1h 13m 20VC: Founders Fund's Trae Stephens on Why The Most Competitive Deals are the Worst, Why No Company is Successful Because of their VC, Why We are Making ZIRP Mistakes Again Today, Why Loss Ratio is BS and Upside Maximisation is Everything With [Trae Stephens](https://millionrounds.com/person/trae-stephens) Mentions [Founders Fund](https://millionrounds.com/fund/founders-fund)[Palmer Luckey](https://millionrounds.com/fund/palmer-luckey)[Peter Thiel](https://millionrounds.com/fund/peter-thiel)[Brian Singerman](https://millionrounds.com/person/brian-singerman)[Ryan Peterson](https://millionrounds.com/person/ryan-peterson) About this episode Trae Stephens is a Partner at Founders Fund, one of the world's leading funds where he has worked with some of the best and backed the likes of Palmer Luckey with Oculus and Ryan Peterson @ Flexport since the very early days. Trae is also Co-founder and Executive Chairman of Anduril Industries, a… More on the show's page Listen on Apple PodcastsThe show's page
- [The Twenty Minute VC](https://millionrounds.com/podcasts/20vc) · 15 Jan 2019 · 39 min 20VC: Stride's Fred Destin on The Acceptable vs Non-Acceptable Risks When Investing, How Startup Founders Can Improve The Quality of Their Decision-Making and Must Play for Batting Average & Why Plans Do Not Matter and No Board Member Should Bash An Entre Mentions [Fred Destin](https://millionrounds.com/fund/fred-destin)[Accel](https://millionrounds.com/fund/accel)[Brian Singerman](https://millionrounds.com/person/brian-singerman) About this episode Fred Destin is a Founding Partner @ Stride.VC, one of Europe's newest seed funds with a portfolio including the likes of Cazoo and Forward Health. Over his 17 year career in venture, Fred has established himself as one of Europe's leading VCs with the exit value of 3 of his portfolio companies… More on the show's page Listen on Apple PodcastsThe show's page
- [The Twenty Minute VC](https://millionrounds.com/podcasts/20vc) · 22 Sept 2017 · 28 min 20VC: Raising Over $700m From The World's Best Investors, How To Innovate In Highly Regulated Markets & The 3 Superpowers of Insurance Companies with Mario Schlosser, Founder & CEO @ Oscar With [Mario Schlosser](https://millionrounds.com/person/mario-schlosser) Mentions [Founders Fund](https://millionrounds.com/fund/founders-fund)[Google](https://millionrounds.com/fund/google-assistant-investments)[Khosla Ventures](https://millionrounds.com/fund/khosla-ventures)[Lakestar](https://millionrounds.com/fund/lakestar)[Brian Singerman](https://millionrounds.com/person/brian-singerman)[Jim Breyer](https://millionrounds.com/person/jim-breyer-2) About this episode Mario Schlosser is the Founder & CEO @ Oscar, the startup that makes health insurance easy. They have raised over $700m in funding from some of the world's best investors including the likes of Founders Fund, Google Capital, Thrive Capital, Lakestar, Khosla Ventures and Jim Breyer just to name a… More on the show's page Listen on Apple PodcastsThe show's page
- [The Twenty Minute VC](https://millionrounds.com/podcasts/20vc) · 22 May 2017 · 22 min 20VC: Founders Fund's Kevin Hartz on Why Investing In Silicon Valley Is Broken & Why Fearlessness Is What Makes The Truly Great Investors Mentions [Founders Fund](https://millionrounds.com/fund/founders-fund)[Kevin Hartz](https://millionrounds.com/fund/a-star-co)[SV Angel](https://millionrounds.com/fund/sv-angel)[Brian Singerman](https://millionrounds.com/person/brian-singerman)[Pat Grady](https://millionrounds.com/person/pat-grady) About this episode Kevin Hartz is a Partner @ Founders Fund, one of the world's most prestigious and successful VC funds with prior investments in the likes of Facebook, Airbnb, SpaceX, Spotify and many more incredible companies. Prior to Founders Fund, Kevin was Founder & CEO @ Eventbrite, the company that powers… More on the show's page Listen on Apple PodcastsThe show's page

Episodes of [the shows we follow](https://millionrounds.com/podcasts), matched by name. Not them? [Tell us](https://millionrounds.com/corrections?person=brian-singerman).

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