An angel investor and operator angel based in Boston, Massachusetts, United States, Andrei O. has 3 known investments: FirstLine, Tettra and SubjectWell.
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Investment focus
Contacts
Andrei O. portfolio companies (3)
- FirstLine
- Tettra
- SubjectWell
Investor Profile
The known portfolio sits in sectors AI and SaaS, and focus areas AI Agents, API, Cloud Infrastructure and Data Analytics.
The portfolio and focus above give founders context on whether Andrei O. matches their raise.
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Frequently asked questions
Who is Andrei O.?
Andrei O. is an angel investor and operator angel based in Boston, Massachusetts, United States with 3 known investments on file, among them FirstLine, Tettra and SubjectWell. The sections above list the sectors attached to that record.
What does Andrei O. invest in?
Listed sectors include AI and SaaS; listed focus areas include AI Agents, API, Cloud Infrastructure and Data Analytics. 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.
How do I contact Andrei O.?
An email address, a phone number and a LinkedIn page are on file for Andrei O. 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