Fundraising Fox

Jan Geldmacher

Investor

Venture Partner at Impact Venture Capital

New York, New York

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

Find your path to Jan

255 people in our graph share verified history with Jan — schools, employers, funds. One of them is your warm intro.

Neelam DhawanunlockedJan: together at Skylo Technologies (2021–2022)
Jan: together at Deutsche Telekom
×5Jan: together at University of Cologne
Jan: together at Vodafone Global Enterprise

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
  21. T-Systems InternationalManaging Director Telecommunications Services and International Network Infrastructure2001 — 2004Frankfurt am Main, Hesse, Germany
  22. Deutsche TelekomSenior Vice President International Network Infrastructure2000 — 2001Bonn, North Rhine-Westphalia, Germany

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

Who is Jan Geldmacher?
Venture Partner at Impact Venture Capital
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 boards does Jan Geldmacher sit on?
Jan Geldmacher holds tracked board seats at Cornami, Infinadeck.
Where did Jan Geldmacher go to school?
Jan Geldmacher studied at University of Cologne.

Same school

Shared employers