Gaingels is a syndicate. Based in Burlington, Vermont, United States. Among the 19 companies in the known portfolio are Momentum, Yumi, Reliable Robotics, Ezra AI, Sage Haven and Parsley Health.
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Investment focus
Who to pitch at Gaingels
Gaingels portfolio companies (19)
- Momentum
- Yumi
- Reliable Robotics
- Ezra AI
- Sage Haven
- Parsley Health
- Alloy Therapeutics
- Impossible Metals
- Mermaid Chart
- Brev.io
- Future Fertility
- Louisa AI
- Pie Insurance
- Ensis
- Ethermed
- Limbic
- Interlune
- Aston Labs
- ValidMind
Co-investors
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About Gaingels
The firm's listing covers sectors AI, Commerce, Consumer and FinTech, and focus areas AI Applications, Analytics, Biotech and D2C; known deals cluster at Growth, Pre-Seed and Seed.
The team counts 33 people in our database. Peter Steinberg (Managing Partner), Tony Siress (Managing Partner) and Paul Grossinger (Founder) are shown as the contacts to pitch.
Across the known portfolio, 20 co-investors appear alongside Gaingels, including DNA Fund, Protagonist Capital and Coatue Management.
Frequently asked questions
What is Gaingels?
Gaingels is a syndicate based in Burlington, Vermont, United States, with a known portfolio of 19 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Gaingels invest in?
Listed sectors include AI, Commerce, Consumer and FinTech; listed focus areas include AI Applications, Analytics, Biotech and D2C. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Gaingels invest at?
The known deals of Gaingels include Growth, Pre-Seed and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Gaingels?
3 of the 33 people on file at Gaingels are listed as contacts for the firm. All 33 have their own profile page.
How do I contact Gaingels?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 33 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal