Investor profile
Sergii Kalinchuk
Angel, Operator angel & Investor at Antigravity Partners, Co-Chair of Startup Acceleration Committee at Ukrainian Venture Capital and Private Equity Association (UVCA), Local Leader at Founder Institute Boston
An angel investor and operator angel based in Ukraine, Sergii Kalinchuk has 4 known investments: Alteratv, Compex Service Center, RadugaImages and iCaptchanet.
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Investment focus
- Sector
- AI
Contacts
Sergii Kalinchuk portfolio companies (4)
- Alteratv
- Compex Service Center
- RadugaImages
- iCaptchanet
Affiliated funds' portfolios
Investor at Antigravity Partners, whose known portfolio counts 3 companies
- Sentra
- Respan
- Flai
Co-Chair of Startup Acceleration Committee at Ukrainian Venture Capital and Private Equity Association (UVCA), whose known portfolio counts 1 company
- Knopka
Local Leader at Founder Institute Boston, whose known portfolio counts 10 companies
- Cortivo AI
- Fluxcient
- NeiX AI
- Nerixa AI
- Opsver AI
- PLF Digital
- QaflowTek
- QuantiveIx
- Qyter AI
- Soundelix Labs
Investor Profile
The known portfolio sits in sector AI, and focus areas AI Applications, Automation and Venture Studio.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Sergii Kalinchuk?
Sergii Kalinchuk is an angel investor and operator angel based in Ukraine with 4 known investments on file, among them Alteratv, Compex Service Center and RadugaImages. The sections above list the sectors and firms attached to that record.
What does Sergii Kalinchuk invest in?
Listed sectors include AI; listed focus areas include AI Applications, Automation and Venture Studio. 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.
Which firm is Sergii Kalinchuk listed at?
Sergii Kalinchuk is listed as Local Leader at Founder Institute Boston. One other person in the database shares a firm with Sergii Kalinchuk.
How do I contact Sergii Kalinchuk?
A LinkedIn page is on file for Sergii Kalinchuk. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal