McLain Southworth
Solo GP · Palo Alto, California
Named as one of two individuals (Managing Member of GP of Issuer) on the Form D for Haven Ventures FUND I, LP, a $43.2M venture fund (Jul 2023).
Angel Investment Confidence Score
Algorithmic score indicating recent deal velocity, check size reliability, and investment conviction in early-stage startups.
Why McLain Southworth holds a 76/100 confidence score
- Verified past startup investments on public record
- Target check sizes calibrated between $425K–$1.3M
- Cross-sector early stage track record
- Named as one of two individuals (Managing Member of GP of Issuer) on the Form D for Haven Ventures FUND I, LP, a $43.2M venture fund (Jul 2023).
Building in Technology & Software? See how well your pitch deck matches McLain Southworth’s thesis.
Check My Startup FitVerified investment track record
Named as one of two individuals (Managing Member of GP of Issuer) on the Form D for Haven Ventures FUND I, LP, a $43.2M venture fund (Jul 2023).
Source: SEC Form D: Haven Ventures FUND I, LP (Jul 31, 2023)
- Stages
- Pre-seed, Seed
- Typical check (est.)
- $425K–$1.3M
- Verified deals
- 1 on file
- Latest activity
- Jul 2023
Is McLain Southworth a fit for you?
See your AI startup fit score, verified contact channels, and warm paths through your network.
What sectors does McLain Southworth 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.
- Jul 2023
Haven Ventures FUND I, LP
Invested through a fund
Public Verification Sources
- SEC Form D: Haven Ventures FUND I, LPJul 31, 2023
Data refreshed from SEC filings and public European announcements Oct 15, 2026. Is this you? Correct or remove this profile.
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