Garrett Gilbertson
Syndicate lead · Hermosa Beach, California
Named as the only individual (Issuer's General Partner) on the Form D for geCKo Materials a series of SUM Venture Partners LP, a $689K venture SPV (Aug 2025) (5 vehicles on file). Also a non-executive director at 1 startup that filed Form D.
Angel Investment Confidence Score
Algorithmic score indicating recent deal velocity, check size reliability, and investment conviction in early-stage startups.
Why Garrett Gilbertson holds a 79/100 confidence score
- Verified past startup investments on public record
- Target check sizes calibrated between $410K–$1.1M
- Clear domain thesis in Deep Tech, Healthcare, B2B Software
- Named as the only individual (Issuer's General Partner) on the Form D for geCKo Materials a series of SUM Venture Partners LP, a $689K venture SPV (Aug 2025) (5 vehicles on file). Also a non-executive director at 1 startup that filed Form D.
Building in Deep Tech, Healthcare, B2B Software? See how well your pitch deck matches Garrett Gilbertson’s thesis.
Check My Startup FitVerified investment track record
Named as the only individual (Issuer's General Partner) on the Form D for geCKo Materials a series of SUM Venture Partners LP, a $689K venture SPV (Aug 2025) (5 vehicles on file). Also a non-executive director at 1 startup that filed Form D.
Source: SEC Form D: geCKo Materials a series of SUM Venture Partners LP (Aug 12, 2025) · 5 more sources
- Stages
- Series A
- Typical check (est.)
- $410K–$1.1M
- Verified deals
- 1 on file
- Latest activity
- Aug 2025
Is Garrett Gilbertson a fit for you?
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What sectors does Garrett Gilbertson back?
Deep TechHealthcareB2B SoftwareVerified investments & deal activity
1 deal trackedRecent startup investments, syndicate rounds, and public co-investments across the US and Europe.
- Apr 2023
BRIUS Technologies
Board seat on the company's SEC filing · TX
Public Verification Sources
- SEC Form D: geCKo Materials a series of SUM Venture Partners LPAug 12, 2025
- SEC Form D: Fantasy Life II a series of Sum Venture Partners LPJul 3, 2025
- SEC Form D: Fantasy Life a series of Atomizer LLCJun 18, 2025
- SEC Form D: Payamigo SPV a series of SUM Venture Partners LPJun 5, 2025
- SEC Form D: SMP UN-SPV a Series of Atomizer LLCFeb 26, 2025
- SEC Form D (board seat): BRIUS TechnologiesApr 27, 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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