An angel investor based in Poland, Adam Niewinski has 5 known investments: OrganOx, CredoLab, iTaxi, Audioteka and Expander Polska.
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Investment focus
Contacts
Adam Niewinski portfolio companies (5)
- OrganOx
- CredoLab
- iTaxi
- Audioteka
- Expander Polska
Affiliated funds' portfolios
Co-Founder & Managing Partner at OTB Ventures, whose known portfolio counts 31 companies
- ICEYE
- ATMOS Space Cargo
- Hydrosat
- FintechOS
- Fractory
- Apheris
- SEMRON
- Tytan Technologies
- SPREAD AI
- akirolabs
- ClearSpace
- Settlemint
- and 19 more
Investor Profile
The known portfolio sits in sectors AI, Consumer, FinTech and Healthcare, and focus areas Big Data, Credit, Digital Health and InsurTech.
Stage-wise, the known deals cluster around Seed and Series A rounds.
The portfolio and focus above give founders context on whether Adam Niewinski matches their raise.
Colleagues at OTB Ventures
Katarzyna Zwolanowska
Partner & COO w OTB Ventures
Warsaw, Poland
Alicja Glinka
Venture Partner
Warsaw, Poland
Wojtek Walniczek
Partner
Warsaw, Poland
Karol Szubstarski
Partner
Warsaw, Poland
Marcin Hejka
Co-Founder & General Partner
Warsaw, Poland
Estelle Godard
Vice President
Luxembourg
Jeremy Teboul
Partner
Luxembourg
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Frequently asked questions
Who is Adam Niewinski?
Adam Niewinski is an angel investor based in Poland with 5 known investments on file, among them OrganOx, CredoLab and iTaxi. The sections above list the sectors, stages and firms attached to that record.
What does Adam Niewinski invest in?
Listed sectors include AI, Consumer, FinTech and Healthcare; listed focus areas include Big Data, Credit, Digital Health and InsurTech. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Adam Niewinski invest at?
The known deals of Adam Niewinski include Seed and Series A rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Adam Niewinski listed at?
Adam Niewinski is listed as Co-Founder & Managing Partner at OTB Ventures. 7 other people in the database share a firm with Adam Niewinski.
How do I contact Adam Niewinski?
An email address, a phone number and a LinkedIn page are on file for Adam Niewinski. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal