The OpenAI Mafia — Dealroom

65 OpenAI alumni startups. $3.4T combined value across 9 countries. Alumni-founded startups ranked by Dealroom enterprise value.

• 65 companies
• 16 unicorns ($1B+)
• $3.4T combined enterprise value
• 9 countries
• Founded 2016-2026

Companies

1. Anthropic

   Founder: Jack Clark · Valuation: $965B · Founded 2021 · Sector: Enterprise Software · HQ: San Francisco, United States

2. xAI

   Founder: Igor Babuschkin · Valuation: $250B · Founded 2023 · Sector: Enterprise Software · HQ: Palo Alto, United States

3. Safe Superintelligence

   Founder: Daniel Levy · Valuation: $32B · Founded 2024 · Sector: Enterprise Software · HQ: Palo Alto, United States

4. Perplexity

   Founder: Aravind Srinivas · Valuation: $20B · Founded 2022 · Sector: Enterprise Software · HQ: San Francisco, United States

5. Sierra

   Founder: Bret Taylor · Valuation: $15.8B · Founded 2023 · Sector: Marketing · HQ: San Francisco, United States

6. Thinking Machines Lab

   Founder: Luke Metz · Valuation: $12B · Founded 2024 · Sector: Enterprise Software · HQ: San Francisco, United States

7. Neuralink

   Founder: Elon Musk · Valuation: $9.7B · Founded 2016 · Sector: Chips & Infra · HQ: Fremont, United States

8. Recursive Superintelligence

   Founder: Jeff Clune · Valuation: $4.7B · Founded 2026 · Sector: Enterprise Software · HQ: London, United Kingdom

9. Chai Discovery

   Founder: Joshua Meier · Valuation: $3.8B · Founded 2024 · Sector: Health · HQ: San Francisco, United States

10. Tools for Humanity

    Founder: Sam Altman · Valuation: $2.5B · Founded 2019 · Sector: Fintech · HQ: San Francisco, United States

11. Cresta

    Founder: Tim Shi · Valuation: $1.6B · Founded 2017 · Sector: Enterprise Software · HQ: Palo Alto, United States

12. Pilot

    Founder: Jeff Arnold · Valuation: $1.2B · Founded 2016 · Sector: Enterprise Software · HQ: San Francisco, United States

13. Periodic Labs

    Founder: William Liam Fedus · Valuation: $1B · Founded 2025 · Sector: Enterprise Software · HQ: San Francisco, United States

14. Adept

    Founder: David Luan · Valuation: $1B · Founded 2021 · Sector: Enterprise Software · HQ: San Francisco, United States

15. Isara

    Founder: Eddie Zhang · Valuation: $650M · Founded 2025 · Sector: Enterprise Software · HQ: San Francisco, United States

16. Covariant

    Founder: Peter Xi Chen · Valuation: $400M · Founded 2017 · Sector: Chips & Infra · HQ: Emeryville, United States

17. Indent

    Founder: Fouad Matin. · Valuation: $224M · Founded 2018 · Sector: Enterprise Software · HQ: San Francisco, United States

18. Inception Labs

    Founder: Aditya Grover · Valuation: $200M · Founded 2024 · Sector: Enterprise Software · HQ: Palo Alto, United States

19. Rockset

    Founder: Dhruba Borthakur · Valuation: $200M · Founded 2016 · Sector: AI / ML · HQ: San Mateo, United States

20. WaveForms AI

    Founder: Alexis Conneau · Valuation: $200M · Founded 2024 · Sector: Enterprise Software · HQ: San Francisco, United States

21. Dust

    Founder: Stanislas Polu · Valuation: $160M · Founded 2023 · Sector: Enterprise Software · HQ: Paris, France

22. Manas AI

    Founder: Reid Hoffman · Valuation: $104M · Founded 2025 · Sector: Health · HQ: San Francisco, United States

23. Cleanlab

    Founder: Anish Athalye · Valuation: $100M · Founded 2021 · Sector: Enterprise Software · HQ: San Francisco, United States

24. Gantry

    Founder: Vicki Cheung · Valuation: $96M · Founded 2020 · Sector: Enterprise Software · HQ: San Francisco, United States

25. Daedalus

    Founder: Jonas Schneider · Valuation: $84M · Founded 2019 · Sector: Chips & Infra · HQ: Karlsruhe, Germany

26. Kindo

    Founder: Margaret Jennings · Valuation: $82M · Founded 2022 · Sector: Enterprise Software · HQ: Los Angeles, United States

27. Conception

    Founder: Matt Krisiloff · Valuation: $80M · Founded 2018 · Sector: Health · HQ: Berkeley, United States

28. Living Carbon

    Founder: Maddie Hall · Valuation: $52M · Founded 2019 · Sector: Chips & Infra · HQ: San Francisco, United States

29. Quill

    Founder: Ludwig Pettersson · Valuation: $50M · Founded 2017 · Sector: Enterprise Software · HQ: San Francisco, United States

30. OtterTune

    Founder: Bohan Zhang · Valuation: $48M · Founded 2020 · Sector: Enterprise Software · HQ: Pittsburgh, United States

31. Blackstar

    Founder: Daniel Edrisian · Valuation: $48M · Founded 2026 · Sector: Chips & Infra · HQ: San Francisco, United States

32. Cartwheel

    Founder: Andrew Carr · Valuation: $40M · Founded 2023 · Sector: Media · HQ: New York City, United States

33. Atero AI

    Founder: Ben Chess · Valuation: $40M · Founded 2024 · Sector: Enterprise Software · HQ: Tel Aviv-Yafo, Israel

34. Worktrace AI

    Founder: Angela Jiang · Valuation: $37M · Founded 2025 · Sector: Enterprise Software · HQ: San Francisco, United States

35. Sapience AI

    Founder: Monte Gibbs · Valuation: $35M · Founded 2024 · Sector: Enterprise Software · HQ: Seattle, United States

36. Cased

    Founder: Ted Nyman · Valuation: $33M · Founded 2020 · Sector: Enterprise Software · HQ: San Francisco, United States

Data by Dealroom.co