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Charles Seely

Former General Partner at Hoxton Ventures

London

Writes $200K – $10M checks · typically $3M

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About

Charles Seely is an early-stage investor and entrepreneur focused on artificial intelligence, quantum computing, and frontier technology. As General Partner at Hoxton Ventures from 2021 to 2025, he sourced and led deep-tech investments including CuspAI's $30 million seed round. His portfolio includes over 60 companies across seed and early-stage funding, with more than 10 exits and multiple unicorns and decacorns, including Kalshi, Maven Clinic, Zipline, and Honey, as well as early involvement with Quantinuum prior to its Nasdaq listing.

Experience

  1. StealthEntrepreneur, Early-Stage Investor, Advisorcurrent2025 — present
  2. CuspAILead Seed Investor (Hoxton Ventures)current2024 — present
  3. CuspAIBoard Member2024 — 2025London and Amsterdam
  4. QuantinuumInvestor/shareholdercurrent2019 — presentLondon Area, United Kingdom
  5. KalshiPre-Seed Investorcurrent2019 — presentSan Francisco Bay Area
  6. ZiplineInvestorcurrent2016 — presentSan Francisco Bay Area
  7. Maven ClinicPre-Seed Investorcurrent2016 — presentNew York, United States
  8. PACTLead Seed Investor (Hoxton Ventures)current2022 — present
  9. PACTBoard Member2022 — 2025Cambridge, England, United Kingdom
  10. QuantrolOxCo-lead Seed Investor (Hoxton Ventures)current2021 — present
  11. QuantrolOxBoard Observer2021 — 2025Finland
  12. GraphextLead Seed Investor (Hoxton Ventures)current2023 — presentGreater Madrid Metropolitan Area
  13. GraphextBoard Member2023 — 2026Madrid, Community of Madrid, Spain
  14. Esos VenturesFoundercurrent2013 — presentSan Francisco Bay Area
  15. Juno: Employee Wellbeing, Recognition & RewardsLead Seed Investor (Hoxton Ventures)current2022 — present
  16. Juno: Employee Wellbeing, Recognition & RewardsBoard Member2022 — 2025London Area, United Kingdom
  17. FluentLead Seed Investor (Hoxton Ventures)2023 — 2026
  18. FluentBoard Member2023 — 2026London Area, United Kingdom
  19. Fabrica AILead Pre-Seed Investor (Hoxton Ventures)2023 — 2026
  20. Fabrica AIBoard Member2023 — 2025Delaware, United States, Brno and Singapore
  21. Hoxton VenturesGeneral Partner2021 — 2025Greater London, England, United Kingdom
  22. Poetics AIBoard Director and Lead Investor (Seed-at Hoxton Ventures)2022 — 2025London Area, United Kingdom
  23. Pensar LearningChairman and Co-Founder2019 — 2025
  24. Pensar LearningCEO/Co-Founder2015 — 2019San Francisco, California
  25. BotherBoard Observer and Investor (Seed)2021 — 2023London Area, United Kingdom
  26. Cambridge QuantumSenior Advisor & Investor/Shareholder2019 — 2021Greater London, England, United Kingdom
  27. SGH Capital USHead of US Investments (via Esos Ventures LLC)2017 — 2021San Francisco, California
  28. SGH Capital USVenture Partner US2014 — 2017San Francisco, California
  29. Amity VenturesAdvisor2016 — 2020San Francisco, California, United States
  30. Real VenturesVenture Partner2012 — 2020San Francisco, California
  31. Kickstart InnovationTeacher and Mentor2016 — 2017Zürich Area, Switzerland
  32. Actarus FundsAdvisory Board Member2006 — 2013
  33. Slooh, Learn to Explore SpaceBoard Director/Shareholder2006 — 2013New York, NY
  34. UK Trade & Investment (UKTI)Dealmaker, Global Entrepreneur Programme2006 — 2013
  35. MetroLeap Media Inc.Advisory Board Member2009 — 2011Vancouver, Canada Area
  36. ScanbuyAdvisory Board Member/Shareholder2004 — 2010New York City Metropolitan Area
  37. Schlossberg:FlynnPartner2004 — 2009New York City Metropolitan Area
  38. Recognition GroupPartner2001 — 2004Greater New York City Area
  39. artnetAdvisor To CEO2000 — 2001New York City Metropolitan Area
  40. BrandfeverFounder, CEO1999 — 2000London, United Kingdom

Skills & more

Email API20Entrepreneurship99Start-ups99Strategic Partnerships36Venture Capital99Strategy51Business Development41Digital Media9Business Planning9Business Strategy24Mobile Devices15SaaS8
+12 moreLeadershipMarketingMergers & AcquisitionsManagementInvestmentsTelecommunicationsConsultingCorporate DevelopmentSalesRestructuringE-commerceProduct Management

From Charles's professional profile.

Network8

Darcy HoweScout
Investor at KCRise Fund
DavidScout
Former Chief Technology Officer at Acadian Ventures Management, Llc
Paul MurphyScout
Partner at Lightspeed Venture Partners
Peter BordesScout
Managing Partner at Trajectory Ventures
Jan Habermann
Founder and General Partner at Credo Ventures
Jussi Sainiemi
Partner at Voima Ventures
Lan Xuezhao
Founder & Partner at Basis Set Ventures
Michiel Kotting
Partner at Northzone

Investors connected to Charles in public investor directories — a warm-intro map.

Frequently asked questions

Who is Charles Seely?
Charles Seely is an early-stage investor and entrepreneur focused on artificial intelligence, quantum computing, and frontier technology. As General Partner at Hoxton Ventures from 2021 to 2025, he sourced and led deep-tech investments including CuspAI's $30 million seed round. His portfolio includes over 60 companies across seed and early-stage funding, with more than 10 exits and multiple unicorns and decacorns, including Kalshi, Maven Clinic, Zipline, and Honey, as well as early involvement with Quantinuum prior to its Nasdaq listing.
What check size does Charles Seely write?
Charles Seely typically writes checks of $200K – $10M.

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