Brandon Reeves

General Partner at Lux Capital

Reviewed Updated Mar 30, 2026

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General Partner at Lux Capital investing $1M-$50M in AI/ML infrastructure, defense, and open source. Former Texas Instruments engineer who worked on Tesla autopilot. Portfolio of 20 verified investments is 45% AI/ML infrastructure (Hugging Face, Together AI, Sakana AI, Cognition) with strong open source affinity. Board member at Hugging Face, Hadrian, and Primer.

Location San Francisco, California
Check Size $1M-$50M
Last Verified Investment Sakana AI (Seed) — 2024
Stage Focus

Background

Brandon Reeves is a General Partner at Lux Capital, where he has been investing since February 2017 12. He grew up in Fort Lauderdale, Florida 1. He earned a BS in electrical engineering from the University of Central Florida and an MBA from Harvard Business School 13.

Before joining Lux, Reeves was on the investment team at Capricorn Investment Group in Palo Alto, California, where he focused on autonomy, mobility, semiconductors, and energy, investing in companies including Joby Aviation and Navitas 14. Prior to that, he worked at Texas Instruments in Sunnyvale, California, as a Field Applications Engineer supporting Tesla Motors, where he worked on autopilot designs, next-generation infotainment, and the sensor system for the Model X falcon wing doors 14.

Since joining Lux in 2017, Reeves was promoted to Partner and has led the firm’s investment efforts in open source infrastructure, data applications, and machine learning technologies 5. He currently serves as a board member at Hugging Face, Primer, and Hadrian 26.

Stated Thesis

Reeves publicly describes his investment goal as identifying “companies that are turning science fiction into science fact, especially in areas of autonomous systems, robotics, machine intelligence, and space” 1. He focuses on companies in the areas of data and machine learning infrastructure, cryptonetworks, robotics and automation, and new compute architectures 4.

His stated investment range is $1M to $50M, with a sweet spot around $10M 2. He invests across seed through Series B stages 2.

Reeves has also described his thesis as centering on open source infrastructure and AI/ML tooling, noting about Hugging Face that “the market for bringing NLP to enterprises and consumers is incredibly exciting — very few professions deal with images…but nearly all jobs work with text and language” 7.

Inferred Thesis

Based on 20 verified investments, Reeves’ actual portfolio reveals the following patterns:

Sector breakdown (20 investments): - AI/ML infrastructure and tools: 9 of 20 (45%) — Hugging Face, Together AI, Sakana AI, Cognition, Fiddler, Tecton, Chronosphere, Physical Intelligence, Ahana - Defense and manufacturing: 3 of 20 (15%) — Anduril, Hadrian, Primer - Autonomous vehicles/simulation: 2 of 20 (10%) — Applied Intuition, Joby Aviation (at Capricorn) - Crypto/Web3: 2 of 20 (10%) — Anchorage, Oasis Labs - Life sciences/biotech: 2 of 20 (10%) — Benchling, LatchBio - Digital health: 1 of 20 (5%) — Elektra Labs - Fintech: 1 of 20 (5%) — Ramp

Stage distribution (18 Lux investments, excluding 2 Capricorn-era): - Seed: 8 of 18 (44%) — Together AI, Sakana AI, Ahana, LatchBio, Elektra Labs, Lekko, Magie, and others - Series A: 5 of 18 (28%) — Hugging Face, Chronosphere, Fiddler, Anchorage, Oasis Labs - Series B and later: 5 of 18 (28%) — Benchling, Ramp, Applied Intuition, Hadrian, Cognition

Notable patterns: - Heavy concentration in AI/ML (45% of portfolio), significantly exceeding his stated focus on “autonomous systems, robotics, machine intelligence, and space.” His actual portfolio is far more weighted toward software infrastructure for AI than toward robotics or space. - Strong affinity for open source business models: Hugging Face, Chronosphere (built on M3), Together AI, and Ahana (Presto) all have significant open source components. - Willingness to invest internationally: Sakana AI (Tokyo) and Magie (Brazil) show geographic range beyond the typical Bay Area focus 89. - Technical founder preference: nearly all portfolio companies have founders with deep engineering backgrounds — ex-Uber (Chronosphere, Tecton), ex-Google (Sakana AI), competitive programming (Cognition). - Defense and national security is a meaningful but secondary theme (15%), with board seats at Hadrian and investments in Anduril and Primer.

Gaps between stated and actual thesis: - Space is mentioned in his stated thesis but no verified space-specific investments were found (Hadrian serves space/defense but is primarily a manufacturing company). - Robotics is mentioned in stated thesis; Physical Intelligence is the one direct robotics investment. - Crypto/Web3 appears in earlier portfolio (2018-2019) but no recent investments in the space.

Portfolio

Company Year Stage Source
Anduril 2017 Early 10
Applied Intuition 2017 Early 10
Oasis Labs 2018 Series A 11
Tecton 2018 Seed/Series A 12
Hugging Face 2019 Series A ($15M) 713
Fiddler 2019 Early 14
Anchorage 2019 Early 15
Chronosphere 2019 Series A 1617
Benchling 2020 Growth 18
Ahana 2020 Seed ($4.8M) 19
Elektra Labs 2020 Seed ($2.9M) 20
Ramp 2021 Growth 21
Hadrian 2021 Early 622
LatchBio 2021 Seed 23
Together AI 2023 Seed ($20M) 24
Cognition 2024 Early 25
Sakana AI 2024 Seed ($30M) 826
Magie 2024 Seed ($4M) 9
~unknown Physical Intelligence Early
~unknown Primer Early

This table represents approximately 20 investments. Signal by NFX lists his check size range as $1M-$50M with a $10M sweet spot 2.

In Their Own Words

“Hugging Face is one of the fastest-growing open-source projects we have ever seen and are thrilled to lead their $15M Series A round.” — Brandon Reeves, Lux Capital blog post on Hugging Face investment, December 2019 7

“The market for bringing NLP to enterprises and consumers is incredibly exciting — very few professions deal with images…but nearly all jobs work with text and language.” — Brandon Reeves, Lux Capital blog post on Hugging Face investment, December 2019 7

“The industry will continue to evolve and we believe Hugging Face will become the de facto technology and API that every developer will use for understanding and generating natural language.” — Brandon Reeves, Lux Capital blog post on Hugging Face investment, December 2019 7

“Like genomics before it, the CRISPR community is facing a tsunami of data and a dearth of computational tools required for their analyses. As a result, skilled bioinformaticians are in high demand, and researchers are waiting days for what can be completed in a couple hours.” — Brandon Reeves, LatchBio launch press release, October 2021 23

“The Latch team has made it possible for any researcher in any lab to open a web browser, upload data and execute a powerful computational pipeline without having to enter a single line of code or build any sort of cloud infrastructure. By empowering the researcher, Latch is helping remove a significant bottleneck that is currently slowing down the whole CRISPR research cycle.” — Brandon Reeves, LatchBio launch press release, October 2021 23

“Presto is poised to become the new SQL query engine of choice for running across data stores.” — Brandon Reeves, Ahana seed funding announcement, September 2020 19

“Asian languages are very under-explored because most large language models are developed for Western languages.” — Brandon Reeves, on Sakana AI investment, Reuters, January 2024 26

What Founders Say

No independently sourced founder testimonials found. Reeves’ portfolio company founders have not been identified making public statements specifically about their experience working with him as an investor.

Connections

  • Board member, Hugging Face — alongside CEO Clement Delangue 713
  • Board member, Hadrian — alongside Katherine Boyle (Andreessen Horowitz) 22
  • Board member, Primer 2
  • Board observer, Chronosphere — alongside investors from Greylock and General Atlantic 17
  • Former Field Applications Engineer, Texas Instruments — supported Tesla Motors autopilot and sensing teams 14
  • Former investment team member, Capricorn Investment Group 14
  • Speaker, O’Reilly Strata Data Conference (2018) 28

Sources


  1. Lux Capital, “Brandon Reeves” profile page, accessed March 2026. https://www.luxcapital.com/people/brandon-reeves

  2. Signal by NFX, “Brandon Reeves’ Investing Profile,” accessed March 2026. https://signal.nfx.com/investors/brandon-reeves

  3. The Org, “Brandon Reeves - General Partner at Lux Capital,” accessed March 2026. https://theorg.com/org/lux-capital/org-chart/brandon-reeves

  4. Lux Capital staging site, “Brandon Reeves” profile page, accessed March 2026. https://staging.luxcapital.com/team/brandon-reeves/

  5. Lux Capital, “Lux Expands and Grows,” accessed March 2026. https://www.luxcapital.com/news/lux-expands-and-grows

  6. CNBC, “Machining start-up Hadrian raises $90 million from Andreessen, Lux,” March 2022. https://www.cnbc.com/2022/03/31/machining-start-up-hadrian-raises-90-million-from-andreesen-lux.html

  7. Lux Capital, “Our Investment in Hugging Face,” December 2019. https://www.luxcapital.com/news/our-investment-in-hugging-face

  8. Lux Capital, “Our Investment in Japan’s Sakana AI to build nature-inspired AI foundation models,” January 2024. https://www.luxcapital.com/news/our-investment-in-japans-sakana-ai-to-build-nature-inspired-ai-foundation-models

  9. TechCrunch, “Lux Capital made its first investment in Brazil, a $4M seed for AI fintech Magie,” August 2024. https://techcrunch.com/2024/08/22/lux-capital-made-its-first-investment-in-brazil-a-4m-seed-for-ai-fintech-magie/

  10. Lux Capital, “Applied Intuition” company page, accessed March 2026. https://www.luxcapital.com/companies/applied-intuition

  11. Lux Capital, “Oasis Labs” company page, accessed March 2026. https://www.luxcapital.com/companies/oasis-labs

  12. Lux Capital, “Tecton” company page, accessed March 2026. https://www.luxcapital.com/companies/tecton

  13. Hugging Face Series A tweet by Brandon Reeves (@breeves08), December 2019. https://x.com/breeves08/status/1206957022299602949

  14. Lux Capital, “Fiddler” company page, accessed March 2026. https://www.luxcapital.com/companies/fiddler

  15. Lux Capital, “Anchorage” company page, accessed March 2026. https://www.luxcapital.com/companies/anchorage

  16. Lux Capital, “Lux’s Investment in Chronosphere,” 2019. https://www.luxcapital.com/news/luxs-investment-chronosphere

  17. Lux Capital, “Our Series B Investment in Chronosphere,” January 2021. https://www.luxcapital.com/news/our-series-b-investment-in-chronosphere

  18. Lux Capital, “Benchling” company page, accessed March 2026. https://www.luxcapital.com/companies/benchling

  19. GlobeNewsWire, “Ahana Expands Seed Funding to $4.8 Million with Additional Funding Led by Lux Capital,” September 2020. https://www.globenewswire.com/news-release/2020/09/21/2096443/0/en/Ahana-Expands-Seed-Funding-to-4-8-Million-with-Additional-Funding-Led-by-Lux-Capital.html

  20. PR Newswire, “Elektra Labs raises $2.9M Seed and Announces Atlas to Improve Deployment of Wearables,” 2019. https://www.prnewswire.com/news-releases/elektra-labs-raises-2-9m-seed-and-announces-atlas-to-improve-deployment-of-wearables-300956452.html

  21. Lux Capital, “Ramp” company page, accessed March 2026. https://www.luxcapital.com/companies/ramp

  22. Lux Capital, “Hadrian” company page, accessed March 2026. https://www.luxcapital.com/companies/hadrian

  23. BioSpace, “Latch Bio Emerges from Stealth with Seed Funding Round Led by Lux Capital,” October 2021. https://www.biospace.com/latch-bio-emerges-from-stealth-with-seed-funding-round-led-by-lux-capital

  24. TechCrunch, “Together raises $20M to build open source generative AI models,” May 2023. https://techcrunch.com/2023/05/15/together-raises-20m-to-build-open-source-generative-ai-models/

  25. Lux Capital, “Cognition” company page, accessed March 2026. https://www.luxcapital.com/companies/cognition

  26. Reuters via U.S. News, “Top Ex-Google Researchers Raise $30 Million for Tokyo-Based AI Lab,” January 2024. https://money.usnews.com/investing/news/articles/2024-01-16/top-ex-google-researchers-raise-30-million-for-tokyo-based-ai-lab

  27. Lux Capital, “Physical Intelligence” company page, accessed March 2026. https://www.luxcapital.com/companies/physical-intelligence

  28. O’Reilly Strata Data Conference, “Brandon Reeves, Lux Capital” speaker page, accessed March 2026. https://conferences.oreilly.com/strata/strata-ca-2018/public/schedule/speaker/310950.html