Deep-tech VC, Warsaw
OTB Ventures
Venture capital firm · Warsaw · Founded 2017
Quick read
OTB Ventures is a deep-tech VC founded in 2017, headquartered in Warsaw with offices in Amsterdam and Luxembourg. It's the largest VC firm originating from Central and Eastern Europe, managing over $300M across late Seed, Series A, and Series B rounds. The firm backs startups in AI & Novel Computing, SpaceTech, Robotics, FinTech, and Cybersecurity, with a deliberate edge in CEE deal flow.
Key facts
- Founded
- 2017
- Founders
- Adam Niewinski, Marcin Hejka
- Employees
- 15-17
- Sectors
- ai, hardware, enterprise, security, fintech
- Website
- otb.vc/
Investment thesis
OTB Ventures backs post-product, early-growth deep-tech startups at late Seed and Series A, targeting four verticals — AI & Novel Computing, SpaceTech, Robotics & Physical AI, and Cybersecurity/FinTech — with a structural advantage in CEE deal flow and check sizes from €1M to €25M per company.
Recent activity
- Jun 2026investmentOTB Ventures invested €50 million in Alta Ares, an AI defence tech company, as part of a round that also included Air Street Capital, Harpoon, and Cherry Ventures. tracxn.com
- Jun 2026investmentOTB Ventures joined a €13 million seed-extension round for Ingenix, an AI drug development company, alongside lead investor Sofinnova Partners and Inovo Venture Partners. tracxn.com
- Apr 2026investmentGreenberg Traurig advised OTB Ventures on Tytan Technologies' €30 million Series A financing round. cbinsights.com
- Mar 2026investmentOTB Ventures participated in a $33 million round for Owkin's new spin-off Waiv (formerly Owkin Dx), alongside AIC and SISTAFUND. tracxn.com
- Mar 2025leadershipOTB Ventures opened a Luxembourg office and hired three team members from Promus: Jeremy Teboul (formerly a Partner deploying the Orbital Ventures fund), Estelle Godard (formerly Vice-President), and Kateryna Lopatynska. vcwire.tech
- Oct 2025investmentOTB Ventures joined a $20 million round for MatrixSpace, a US-based AI-powered counter-drone radar company, alongside L3Harris and Raptor Group. tracxn.com
- Sep 2025investmentOTB Ventures co-led an $8.7 million Series A for Plumerai, a binary neural network chip company, alongside Partech Partners and Acclimate Ventures. tracxn.com
- Jan 2026investmentPortfolio company Hydrosat closed a €51 million round to advance thermal satellite technology for water and agricultural risk management, with Hartree Partners and Axiom Space among the backers. tracxn.com
- Apr 2026investmentOTB Ventures participated in the Series B round of SPREAD AI, an engineering-AI startup based in Berlin. cbinsights.com
- Mar 2026investmentOTB Ventures invested in Waiv (formerly Owkin Dx), a Paris-based AI cancer diagnostics company that raised $33M in a new funding round. otb.vc
- Jan 2026investmentOTB Ventures invested in a defense/aerospace seed round of €11.8M. startup.eu
- Jan 2026pressMarcin Hejka, Managing Partner, was quoted in PitchBook's 2026 European VC outlook, highlighting defence tech as a key investment theme beyond AI. linkedin.com
Notable investments
- Alta AresSeries AJun 2026tracxn.com
- IngenixSeed ExtensionJun 2026tracxn.com
- Tytan TechnologiesSeries AApr 2026cbinsights.com
- Waiv (Owkin spin-off)UndisclosedMar 2026tracxn.com
- MatrixSpaceUndisclosedOct 2025tracxn.com
- PlumeraiSeries ASep 2025tracxn.com
- Kurs OrbitalSeedUndisclosed 2024linkedin.com
- SEMRONSeedUndisclosed 2024techfundingnews.com
- Waiv (formerly Owkin Dx)Series AMar 2026otb.vc
- SPREAD AISeries BApr 2026cbinsights.com
- MatrixSpaceSeries A ($20M)Oct 2025tracxn.com
- PlumeraiSeries A ($8.7M)Sep 2025tracxn.com
Key people
Named individuals at the firm. We don't expose direct email or phone — use their LinkedIn for outreach.
- Adam Niewinski · Co-founder & Managing Partner
- Marcin Hejka · Co-founder & Managing Partner
- Jeremy Teboul · Partner (SpaceTech)
- Kateryna Lopatynska · Partner (Luxembourg)
- Estelle Godard · Vice President
- Gregory Jankilevitsch · Partner
Sources
Other VCs in Poland
- Inovo Venture Partners · Early-stage VC, Warsaw·
- Movens Capital · Early-stage VC, Warsaw·
- bValue Fund · Early-stage VC, Warsaw
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Frequently asked
What is OTB Ventures?+
OTB Ventures is a deep-tech VC founded in 2017, headquartered in Warsaw with offices in Amsterdam and Luxembourg. It's the largest VC firm originating from Central and Eastern Europe, managing over $300M across late Seed, Series A, and Series B rounds.
Where is OTB Ventures headquartered?+
OTB Ventures is headquartered in Warsaw, Poland.
When was OTB Ventures founded?+
OTB Ventures was founded in 2017 by Adam Niewinski, Marcin Hejka.
What sectors does OTB Ventures invest in?+
OTB Ventures focuses on ai, hardware, enterprise, security, fintech. They primarily invest in these sectors.
How do I prepare for a meeting with OTB Ventures?+
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