ZInvestorHunting

William Manby

Solo GP · Akron, Ohio

US Angel

Named as the only individual (William Manby is the Manager of the General Partner of Issuer) on the Form D for Interstate Fusion Ventures, LP, a $10M venture fund (Jun 2025) (2 vehicles on file: 1 fund, 1 SPV).

Investor IntelligenceVerified Activity

Angel Investment Confidence Score

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

76/ 100
Selective Early-Stage AngelLatest deal Jun 2025
Deal VelocityLatest deal Jun 2025USA & Europe pipeline
Typical Check$100K–$300KPre-Seed / Seed
Primary FocusClimate & Energy, Deep TechPre-seed, Seed
Direct AccessWarm Intro Recommended1-click pitch match

Why William Manby holds a 76/100 confidence score

  • Verified past startup investments on public record
  • Target check sizes calibrated between $100K–$300K
  • Clear domain thesis in Climate & Energy, Deep Tech
  • Named as the only individual (William Manby is the Manager of the General Partner of Issuer) on the Form D for Interstate Fusion Ventures, LP, a $10M venture fund (Jun 2025) (2 vehicles on file: 1 fund, 1 SPV).

Building in Climate & Energy, Deep Tech? See how well your pitch deck matches William Manby’s thesis.

Check My Startup Fit

Verified investment track record

Named as the only individual (William Manby is the Manager of the General Partner of Issuer) on the Form D for Interstate Fusion Ventures, LP, a $10M venture fund (Jun 2025) (2 vehicles on file: 1 fund, 1 SPV).

Source: SEC Form D: Interstate Fusion Ventures, LP (Jun 30, 2025) · 1 more source

Stages
Pre-seed, Seed
Typical check (est.)
$100K–$300K
Verified deals
1 on file
Latest activity
Jun 2025
Pitch Readiness

Is William Manby a fit for you?

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

What sectors does William Manby back?

Climate & EnergyDeep Tech

Verified investments & deal activity

1 deal tracked

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

  • Interstate Fusion Ventures, LP

    Invested through a fund

    Feb 2023

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

Active Angels Similar to William Manby

Founders raising in climate and deeptech also reach out to these verified check-writers with similar portfolio focus and check sizes.

View all matching angels
Niklas Zennström

Individual angel · Stockholm, Sweden

99/100
$100K–$1MActive Aug 2026
Climate & EnergyAI & MLFintech+1
Berkeley Angel Network

Angel group · Berkeley, CA

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

Solo GP · Englewood, NJ

92/100
$500K–$1.5MActive Jun 2026
Deep TechConsumerClimate & Energy+2
Nathan Kline

Solo GP · New York, NY

84/100
$50K–$150KActive May 2026
HealthcareClimate & EnergyDeep Tech
Sten Tamkivi

Individual angel · Tallinn, Estonia

95/100
$50K–$500KActive Mar 2026
AI & MLCrypto & Web3Deep Tech+2
France Angels

Angel group · Paris, France

99/100
$50K–$750KActive Sep 2026
AI & MLB2B Softwarebiotech+2
AI Pitch & Angel Matcher

Raising pre-seed or seed for your startup?

Don’t pitch blindly. Our AI engine evaluates your startup against William Manby and 100+ active US & European angels to deliver 3 perfect matches with tailored warm intros and pitch deck reviews.