Fundraising Fox

Jan Geldmacher

Investor

Venture Partner at Impact Venture Capital

New York, New York

Writes $500K – $2.5M checks · typically $1.5M

FoundedCornamiInfinadeck

Experience

  1. CIVCGeneral Partnercurrent2021 — presentSacramento, CA
  2. Deutsche GigaNetz GmbHChairman Of The Board Of Administrationcurrent2020 — presentHamburg, Hamburg, Germany
  3. EMnifyMember of the Board of Directorscurrent2022 — presentBerlin, Germany
  4. Gabriel Advisors, LLCManaging Directorcurrent2025 — present
  5. InfinadeckMember Board Of Directorscurrent2021 — presentRocklin, California, United States
  6. Movius Corp.Operating Advisorcurrent2021 — presentNew York, United States
  7. Cornami, Inc.CEO and Chairmancurrent2026 — presentCampbell, CA
  8. Cornami, Inc.Board Member2019 — 2026Campbell, CA
  9. LiveOak FiberChairperson2022 — 2026Brunswick, GA
  10. INTILION GmbHMitglied des Aufsichtsrats2022 — 2026Paderborn, North Rhine-Westphalia, Germany
  11. TelenorMember of the Board of Directors2023 — 2025Oslo, Oslo, Norway
  12. Reliance Communications, Orbic North AmericaHead Of Strategy2021 — 2023New York, United States
  13. Skylo TechnologiesMember Board Of Directors2021 — 2023
  14. Boston DynamicsMember Board Of Directors2021 — 2022Waltham, Massachusetts, United States
  15. SoftBank Group InternationalOperating Partner2020 — 2021New York City Metropolitan Area
  16. SprintPresident, Sprint Business2017 — 2020Greater New York City Area
  17. SprintPresident Enterprise2016 — 2017Overland Park, Kansas
  18. Vodafone Global EnterpriseCEO2012 — 2016
  19. VodafoneDirector of Enterprise Business Unit2008 — 2012
  20. BT GermanyCEO2005 — 2008

Education

  1. University of Cologne

Skills & more

Telco30Business Strategy99Mobile Communications99Mobile Devices99Mobile Technology99Product Management82Solution Selling51Strategic Leadership41Strategic Partnerships84Telecommunications99Unified Communications77VoIP33
+3 moreWirelessManaged ServicesGo-to-market Strategy
  • Hauptgespraech 128, Baden-Badener Unternehmergespraeche e.V. (BBUG)Baden-Badener Unternehmer Gespräche e.V. (BBUG)

From Jan's professional profile.

Deals · 2

InfinadeckBoard seat

via Impact Venture Capital · filed Oct 2025 · $1.5M raise

CornamiBoard seat

via Impact Venture Capital · filed Aug 2025 · $40M raise

Attribution from SEC filings, press coverage, and firm rosters.

Colleagues at Impact Venture Capital

Network2

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

Frequently asked questions

Where does Jan Geldmacher work?
Jan Geldmacher is Venture Partner at Impact Venture Capital.
What check size does Jan Geldmacher write?
Jan Geldmacher typically writes checks of $500K – $2.5M.
What companies did Jan Geldmacher found?
Jan Geldmacher founded Cornami, Infinadeck.

Same school

Shared employers