Roy Rubin
Solo GP · Agoura Hills, California
Named as one of two individuals (Managing Director of the Issuer's General Partner) on the Form D for R-Squared Ventures III, LP, a $50M venture fund (Oct 2025).
Angel Investment Confidence Score
Algorithmic score indicating recent deal velocity, check size reliability, and investment conviction in early-stage startups.
Why Roy Rubin holds a 76/100 confidence score
- Verified past startup investments on public record
- Target check sizes calibrated between $500K–$1.5M
- Cross-sector early stage track record
- Named as one of two individuals (Managing Director of the Issuer's General Partner) on the Form D for R-Squared Ventures III, LP, a $50M venture fund (Oct 2025).
Building in Technology & Software? See how well your pitch deck matches Roy Rubin’s thesis.
Check My Startup FitVerified investment track record
Named as one of two individuals (Managing Director of the Issuer's General Partner) on the Form D for R-Squared Ventures III, LP, a $50M venture fund (Oct 2025).
Source: SEC Form D: R-Squared Ventures III, LP (Oct 3, 2025)
- Stages
- Pre-seed, Seed
- Typical check (est.)
- $500K–$1.5M
- Verified deals
- 1 on file
- Latest activity
- Oct 2025
Is Roy Rubin a fit for you?
See your AI startup fit score, verified contact channels, and warm paths through your network.
What sectors does Roy Rubin back?
Sector focus not yet verifiedVerified investments & deal activity
1 deal trackedRecent startup investments, syndicate rounds, and public co-investments across the US and Europe.
- Oct 2025
R-Squared Ventures III, LP
Invested through a fund
Public Verification Sources
- SEC Form D: R-Squared Ventures III, LPOct 3, 2025
Data refreshed from SEC filings and public European announcements Oct 15, 2026. Is this you? Correct or remove this profile.
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