Bryan Johnson
Co-Founder & General Partner @ OS Fund
Los Angeles, United States
Bryan Johnson is a seed investor at OS Fund in Los Angeles focused on FinTech and Machine Learning. Bryan is the Founder/CEO of Kernel, OS Fund and Braintree Venmo.
- Total investments:
- 8
- Last investment:
- Lead investor:
- 13%
Last updated:
For AI agents: llms.txt
Industries Bryan Johnson invests in
Stages Bryan Johnson invests in
Countries Bryan Johnson invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- FinTech 2 (25%)
- Machine Learning 2 (25%)
- Information Technology 2 (25%)
- Artificial Intelligence 2 (25%)
- Software 1 (13%)
Stage
- Seed 3 (38%)
- Series A 2 (25%)
- Series C 2 (25%)
- Funding Round 1 (13%)
Country
- United States 5 (63%)
- United Kingdom 1 (13%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| RWX is a software company that builds tools for optimizing reliability, building, test performance, and developer experience. | $12M / Series A / Aug 04, 2026 | ||
| Stable is a blockchain infrastructure designed to facilitate compliant and predictable USDT transactions. | $28M / Seed / Jul 31, 2025 | ||
| Extropic AI is a hardware startup that is building a chip optimized to run large language models, or LLMs. | $14.1M / Seed / Dec 04, 2023 | ||
| Kernel is a neuroscience company that specializes in developing brain-recording technologies. Its custom-built, non-invasive brain interface acquires neural signals similar in quality to fMRI, MEG & ECoG, as easy to use as EEG. It was founded in 2016 and is headquartered in Los Angeles, California. | $53M / Series C / Jul 09, 2020 | ||
| Kernel is a neuroscience company that specializes in developing brain-recording technologies. Its custom-built, non-invasive brain interface acquires neural signals similar in quality to fMRI, MEG & ECoG, as easy to use as EEG. It was founded in 2016 and is headquartered in Los Angeles, California. | $100M / Oct 20, 2016 | ||
| Eat Just offers a plant-based egg substitute intended to provide healthy and nutritional food alternatives.It applies cutting-edge science and technology to create healthier, more sustainable foods and the key ingredient is protein from the mung bean and it is cholesterol-free, non-GMO, and packed with as much protein as many animal proteins andwhile it cooks and tastes like eggs. Its ingredients use less water, less land, and emit less CO2e than conventional animal sources, enabling customers to prepare their food items with the required nutrients and protein of an egg.It was founded by Josh Balk and Josh Tetrick in San Francisco, California in 2011. | $90M / Series C / Dec 18, 2014 | ||
| TrueAccord is reinventing the relationship between creditors and lenders with a machine learning-driven, digital approach to debt collection. Our technology personalizes outreach to each customer across digital channels, continuously optimizing for performance while delivering a customer experience that builds long-term brand loyalty. | $5M / Series A / Sep 16, 2014 | ||
| Apollo Research is an AI safety organization specialize in evaluating and auditing frontier AI systems to reduce risks from AI models. | Seed |
Co-Investors
About OS Fund
The OS Fund finances and supports inventors and scientists who are working on audacious breakthroughs to solve the greatest issues and opportunities facing humanity today. Our mission is to partner with tech pioneers who aim to improve the lives of billions of people around the world for generations to come.In the same way that computers haveoperating systems at their core — dictating the way a computer works and serving as a foundation upon which all applications are built — everything in life has an operating system (OS).
OS Fund Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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Bryan Johnson
Co-Founder & General Partner
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Daniel Robinson
Partner
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Jonathan Yaffe
Chief Financial Officer
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Lily Kim
Partner
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Mark Ghobrial
Partner
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FAQ
What does Bryan Johnson invest in?
Bryan Johnson invests primarily in FinTech, Machine Learning and Information Technology startups, most often at Seed and Series A stage. Most of the 8 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Bryan Johnson?
Public channels for Bryan Johnson include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Bryan Johnson last invest?
The most recent investment recorded for Bryan Johnson closed in Aug 2026. Shizune tracks 8 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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