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William Harris

Solo GP · Atlanta, Georgia

Verified Active Check-WriterUS Angel

Named as the only individual (Managing Director of the Manager) on the Form D for BIP Fintop FUND IV-QP, LLC, a $20M venture fund (Aug 2026) (12 vehicles on file: 5 funds, 7 SPVs).

Investor IntelligenceVerified Activity

Angel Investment Confidence Score

Algorithmic score indicating recent deal velocity, check size reliability, and investment conviction in early-stage startups.

93/ 100
Tier-1 Active Check-Writer3 deals in last 12 months
Deal Velocity3 deals in last 12 monthsUSA & Europe pipeline
Typical Check$200K–$600KPre-Seed / Seed
Primary FocusAI & ML, Deep TechPre-seed, Seed
Direct AccessWarm Intro Recommended1-click pitch match

Why William Harris holds a 93/100 confidence score

  • Verified active check-writing activity within the last 12 months
  • Target check sizes calibrated between $200K–$600K
  • Clear domain thesis in AI & ML, Deep Tech
  • Named as the only individual (Managing Director of the Manager) on the Form D for BIP Fintop FUND IV-QP, LLC, a $20M venture fund (Aug 2026) (12 vehicles on file: 5 funds, 7 SPVs).

Building in AI & ML, Deep Tech? See how well your pitch deck matches William Harris’s thesis.

Check My Startup Fit

Verified investment track record

Named as the only individual (Managing Director of the Manager) on the Form D for BIP Fintop FUND IV-QP, LLC, a $20M venture fund (Aug 2026) (12 vehicles on file: 5 funds, 7 SPVs).

Source: SEC Form D: BIP Fintop FUND IV-QP, LLC (Aug 4, 2026) · 7 more sources

Stages
Pre-seed, Seed
Typical check (est.)
$200K–$600K
Verified deals
5 on file
Latest activity
Aug 2026
Pitch Readiness

Is William Harris a fit for you?

See your AI startup fit score, verified contact channels, and warm paths through your network.

What sectors does William Harris back?

AI & MLDeep Tech

Verified investments & deal activity

5 deals tracked

Recent startup investments, syndicate rounds, and public co-investments across the US and Europe.

  • BIP Fintop FUND IV-QP, LLC

    Invested through a fund

    Aug 2026
  • BIP Fintop FUND Iv-Ai, LLC

    Invested through a fund

    Aug 2026
  • BIP UNMET Frontier I, LLC

    Invested through a fund

    Jul 2026
  • BIP Vocap Fund IV-QP, LLC

    Invested through a fund

    Aug 2024
  • BIP Fulcrum Fund V, LLC

    Invested through a fund

    Mar 2024

Public Verification Sources

Data refreshed from SEC filings and public European announcements Oct 15, 2026. Is this you? Correct or remove this profile.

Syndicate IntelligenceUSA & Europe

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Nat Friedman

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99/100
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Berkeley Angel Network

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99/100
$50K–$500KActive Aug 2026
AI & MLDeep TechClimate & Energy+2
Thomas Callahan

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96/100
$2.29M–$11.3MActive Sep 2026
AI & MLDeep TechDeveloper Tools
Takuya Miyata

Solo GP · San Francisco, CA

90/100
Active Sep 2026
Media, Gaming & CreatorDeep TechAI & ML
AI Pitch & Angel Matcher

Raising pre-seed or seed for your startup?

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