Adam Niewinski
InvestorCo-Founder and General Partner at OTB Ventures
Poland
Writes $100K – $10M checks
FoundedHydrosat
About
Adam Niewinski leverages his founder experience—co‑founding one of Poland's first fintechs and taking it public on the Warsaw Stock Exchange—to help CEE space, AI, and cybersecurity founders expand internationally.
Invests in
AI & Machine LearningCybersecurityDeep TechFintechHardwareSpace Tech
Experience
- OTB VenturesCo-Founder & Managing Partnercurrent2017 — present
- ICEYEBoard Membercurrent2019 — present
- Silent EightBoard Membercurrent2020 — present
- HydrosatBoard Membercurrent2021 — present
- University Technology Transfer Centre of the University of Warsaw (UOTT UW)Member of the Board of Advisorscurrent2022 — present
- FintechOSBoard Membercurrent2019 — present
- KYP.aiBoard Membercurrent2023 — present
- TonikBoard Membercurrent2024 — present
- CI GamesBoard Membercurrent2021 — present
- Desa UnicumMember Of The Supervisory Board2018 — 2025
- OrganOxAngel Investor2009 — 2025
- Cosmose, Inc.Board Member2018 — 2022
- UniCreditDeputy Chief Executive Officer @ Bank PEKAO SA2015 — 2017Bank PEKAO SA
- UniCreditMember of the Supervisory Board of Pekao Investment Banking2015 — 2017
- XelionChairman of Supervisory Board2015 — 2017Warsaw, Mazowieckie, Poland
- XelionCEO2004 — 2015
- Platinum Bank Украинаco-Founder and Member of Supervisory Board2005 — 2007Kiev
- Amundi PioneerDeputy Chairman of Supervisory Board2005 — 2006
- CDM Pekao SA (Centralny Dom Maklerski PEKAO SA)Deputy CEO2002 — 2004
- Expander Financial AdvisersFounder & CEO2000 — 2002
Education
- Stanford University Graduate School of BusinessAlumni, Stanford Executive Program2017
- Harvard Business SchoolExecutive Education, Venture Capital and Private Equity2016
- Singularity2014
- SGH Warsaw School of EconomicsMaster, Management & Marketing1993 — 1997
- XXXIII LO
- ACS Athens (American Community Schools)
Skills & more
Investments98Private Equity65Business Strategy62Banking37Mutual Funds33Mergers13
From Adam's professional profile.
Same school
Also attended Stanford University Graduate School of Business1,187
Roelof BothaAdvisor & former Steward at Sequoia Capital; SpaceX board memberPeter FentonGeneral Partner at BenchmarkSteve JurvetsonCo-founder of Future VenturesDavid SzeAdvisory Partner at GreylockKatherine BoyleGeneral Partner at Andreessen Horowitz (American Dynamism)Hunter WalkCo-founder & Partner at Homebrew
+ 1,181 more
Also attended Harvard Business School1,818
Brad GerstnerFounder & CEO of Altimeter CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesJim BreyerFounder & CEO of Breyer CapitalTim DraperFounder of Draper AssociatesMike Maples JrCo-founding Partner at FloodgateMamoon HamidPartner at Kleiner Perkins
+ 1,812 more
Also attended SGH Warsaw School of Economics95
Pablo GoceAnalyst at Inveready Technology Investment GroupKonradInvestment Team at Hummingbird VenturesBenedict TanAssociate Director, Investment at Vertex Ventures Sea Management Pte. Ltd.Maciej SkarulGeneral Partner at Ff Venture CapitalMagda PoslusznyPrincipal at Partech VenturesTomasz KościelniakAssociate at SMOK Ventures
+ 89 more
Also attended ACS Athens (American Community Schools)1
Shared employers
Also worked at FintechOS7
Dan LupuInvestor at Earlybird Venture CapitalVinoth JayakumarPartner at Molten VenturesRoland MangerPartner at Bek VenturesRoland DennertManaging Partner at Cipio PartnersThomas LenzPrincipal at Cipio PartnersNils MatthiesPrincipal at Cipio Partners
+ 1 more
Also worked at OrganOx6
Pierre SochaPartner at Amadeus Capital PartnersMatthew FrohnManaging Partner and Co-Founder at Longwall Venture Partners LLPGeorge RobinsonFounding Partner at Oxford Investment Consultants LLPYara AlenaziInvestor at Crane Venture PartnersGarheng KongInvestor at HealthQuest CapitalJared TeoManaging Director at HealthQuest Capital
Also worked at The Boston Consulting Group730
David SzeAdvisory Partner at GreylockDave MunichielloInvestor at GV (Google Ventures)Massimo PrelzInvestor at DN CapitalRasmus AreskougInvestor at DN CapitalRiccardo MontiOperating Advisor at P101 VenturesAntonio TurroniOperating Advisor at P101 Ventures
+ 724 more
Deals · 1
HydrosatBoard seat
via OTB Ventures · filed Aug 2025 · $50M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at OTB Ventures
Alicja Glinka
Investment Manager at OTB Ventures
Anna Mleko
Investment Manager at OTB Ventures
Anna Ślotła
Head of Investor Relations at OTB Ventures
Estelle Godard
Vice President at OTB Ventures
Gregory Jankilevitsch
Co-Founder at OTB Ventures
Ignacy Drzewiecki
Investment Analyst at OTB Ventures
Jeremy Teboul
Partner at OTB Ventures
Karol Szubstarski
Partner at OTB Ventures







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