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Adam Barker

Investor

Partner VC at Onstage · Investment Manager at Guinness Ventures

Greater London, England, United Kingdom

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About

Adam Barker is an Investment Manager at Guinness Ventures, which invests in high-growth businesses across the UK with a portfolio exceeding 50 companies. The firm focuses on EIS and VCT-qualifying businesses with strong management teams and demonstrated product-market fit, maintaining a sector-agnostic investment approach.

Experience

  1. Guinness VenturesInvestment Managercurrent2025 — present
  2. Guinness VenturesSenior Associate2023 — 2025
  3. Guinness VenturesAssociate2020 — 2023London Area, United Kingdom
  4. Guinness VenturesAnalyst2018 — 2020London Area, United Kingdom
  5. Guinness VenturesIntern2018London
  6. JAAQNon Executive Directorcurrent2025 — present
  7. GoodraysNon Executive Directorcurrent2025 — present
  8. SportableBoard Observercurrent2024 — present
  9. FocalPartner VCcurrent2022 — present
  10. Shot ScopeNon Executive Directorcurrent2022 — present
  11. WriskBoard Observercurrent2021 — present
  12. PopsaBoard Observercurrent2019 — present
  13. SeedrsVenture Partner2023 — 2024
  14. Global Pricing Innovations (GPI)Board Observer2019 — 2023
  15. BidvineBoard Observer2020 — 2021
  16. Sanlam Private WealthEquity Analyst Intern2017London Area, United Kingdom
  17. Foster DenovoSales Support Administrator2017Weybridge
  18. Deutsche BankEquity Sales Intern2017London Area, United Kingdom
  19. Talis Capital LimitedIntern2017London Area, United Kingdom
  20. Bell PottingerWork experience2010London Area, United Kingdom

Skills & more

Microsoft Office14Time Management8Teamwork14Customer Service11Microsoft Excel4OWL2
  • Investment Management Certificate — CFA UK
  • Venture Capital Foundation — UK Private Capital

From Adam's professional profile.

Colleagues at Onstage

Anastasia Shabliienko
Associate at Flyer One Ventures
Arash Moavenian
Partner at Onstage
Ben Ashworth
Partner at The SidebySide Partnership
Carla Boichon
Associate at MMC Ventures
Carole du Fretay
Investor at Flash Ventures
Emma Steele
Partner at Ascension
Jasper Wigley
Investment Associate at Systemiq Capital
Joel
Investor at Onstage

Frequently asked questions

Who is Adam Barker?
Adam Barker is an Investment Manager at Guinness Ventures, which invests in high-growth businesses across the UK with a portfolio exceeding 50 companies. The firm focuses on EIS and VCT-qualifying businesses with strong management teams and demonstrated product-market fit, maintaining a sector-agnostic investment approach.
Where does Adam Barker work?
Adam Barker is Partner VC at Onstage.
Where did Adam Barker go to school?
Adam Barker studied at University of the West of England (Mathematics, Mathematics); Cranleigh School.

Same school

Shared employers