ZInvestorHunting

John Krambeer

Solo GP · El Segundo, California

US Angel

Named as the only individual (Chief Executive Officer of the Manager) on the Form D for Validus Venture Opportunity Fund I, LLC, a $26.6M 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$275K–$800KPre-Seed / Seed
Primary FocusGovTech & Public SectorPre-seed, Seed
Direct AccessWarm Intro Recommended1-click pitch match

Why John Krambeer holds a 76/100 confidence score

  • Verified past startup investments on public record
  • Target check sizes calibrated between $275K–$800K
  • Clear domain thesis in GovTech & Public Sector
  • Named as the only individual (Chief Executive Officer of the Manager) on the Form D for Validus Venture Opportunity Fund I, LLC, a $26.6M venture fund (Jun 2025) (2 vehicles on file: 1 fund, 1 SPV).

Building in GovTech & Public Sector? See how well your pitch deck matches John Krambeer’s thesis.

Check My Startup Fit

Verified investment track record

Named as the only individual (Chief Executive Officer of the Manager) on the Form D for Validus Venture Opportunity Fund I, LLC, a $26.6M venture fund (Jun 2025) (2 vehicles on file: 1 fund, 1 SPV).

Source: SEC Form D: Validus Venture Opportunity Fund I, LLC (Jun 16, 2025) · 1 more source

Stages
Pre-seed, Seed
Typical check (est.)
$275K–$800K
Verified deals
1 on file
Latest activity
Jun 2025
Pitch Readiness

Is John Krambeer a fit for you?

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

What sectors does John Krambeer back?

GovTech & Public Sector

Verified investments & deal activity

1 deal tracked

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

  • Validus Venture Opportunity Fund I, LLC

    Invested through a fund

    Jun 2025

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 John Krambeer

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

View all matching angels
Nathaniel Farber Loewentheil

Solo GP · New York, NY

93/100
$500K–$1.5MActive Jul 2026
GovTech & Public SectorClimate & EnergyDefense & Aerospace+1
New Mexico Angels

Angel group · Santa Fe, NM

89/100
Active Jun 2026
B2B SoftwareBiotech & PharmaConsumer+2
Iron City Capital

Angel Investor · US & Europe

88/100
$275K–$550KActive Jul 2026
GovTech & Public Sector
J2 Ventures Strategic

Angel Investor · Boston, MA

88/100
$125K–$350KActive Sep 2026
AI & MLDeveloper ToolsCybersecurity+1
Liberty City Ventures AI

Angel Investor · New York, NY

88/100
Active Jun 2026
AI & MLGovTech & Public Sector
Sinewave Ventures

Angel Investor · Mclean, VA

88/100
$50K–$150KActive Aug 2026
AI & MLCybersecurityGovTech & Public Sector+1
AI Pitch & Angel Matcher

Raising pre-seed or seed for your startup?

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