OTB Ventures
Deep-tech VC firm, backed in part by the NATO Innovation Fund; portfolio includes ICEYE, Hydrosat, and Alta Ares. Participated in Twentyfour Industries' $11.8M seed round (summer 2025).
Amsterdam/Warsaw deep-tech VC co-founded in 2017 by Adam Niewiński, Marcin Hejka, and Gregory Jankilevitsch, backing founders in SpaceTech, AI & Automation, FinTech, and Cybersecurity at late-Seed through Series A. Targets post-product, revenue-generating companies with international scaling potential; one of the first funds to receive NATO Innovation Fund backing (2024, $185M Fund II).
Overview
- Firm
- OTB Ventures
- Headquarters
- Amsterdam, Netherlands / Warsaw, Poland
- Founded
- 2017
- AUM
- $350M+
- Stages
- Seed, Series A
- Thesis
Portfolio companies2
Partners3
- FounderAdam NiewińskiCo-founder and Managing Partner of OTB Ventures, the Amsterdam/Warsaw deep-tech VC firm; former Deputy CEO of Bank Pekao SA and CEO of Xelion Investment House.
- FounderMarcin HejkaCo-founder and General Partner of OTB Ventures; spent 18 years at Intel Capital as VP and Global Investment Committee member before co-founding the fund in 2017.
- FounderGregory JankilevitschCo-founder of OTB Ventures (2017), the Amsterdam/Warsaw deep-tech VC firm; also credited as a co-founder of Mercuria Energy Group, one of the world's largest independent energy and commodity trading companies.
Frequently asked
- What is OTB Ventures?
- Amsterdam/Warsaw deep-tech VC co-founded in 2017 by Adam Niewiński, Marcin Hejka, and Gregory Jankilevitsch, backing founders in SpaceTech, AI & Automation, FinTech, and Cybersecurity at late-Seed through Series A. Targets post-product, revenue-generating companies with international scaling potential; one of the first funds to receive NATO Innovation Fund backing (2024, $185M Fund II).
- How much does OTB Ventures manage?
- OTB Ventures manages $350M+ in assets, and was founded in 2017.
- What stages does OTB Ventures invest at?
- OTB Ventures invests at Seed, Series A.
Sources & citations3
3 sources behind every claim
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