Brian Michael Altenburg
Solo GP · New York, New York
Named as the only individual (Principal of Altes U.S. Reindustrialization Fund I GP LLC of the Issuer) on the Form D for Altes U.S. Reindustrialization Fund I, LP, a venture fund (Sep 2026).
Angel Investment Confidence Score
Algorithmic score indicating recent deal velocity, check size reliability, and investment conviction in early-stage startups.
Why Brian Michael Altenburg holds a 88/100 confidence score
- Verified active check-writing activity within the last 12 months
- Active co-investor alongside leading venture syndicates
- Cross-sector early stage track record
- Named as the only individual (Principal of Altes U.S. Reindustrialization Fund I GP LLC of the Issuer) on the Form D for Altes U.S. Reindustrialization Fund I, LP, a venture fund (Sep 2026).
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Check My Startup FitVerified investment track record
Named as the only individual (Principal of Altes U.S. Reindustrialization Fund I GP LLC of the Issuer) on the Form D for Altes U.S. Reindustrialization Fund I, LP, a venture fund (Sep 2026).
Source: SEC Form D: Altes U.S. Reindustrialization Fund I, LP (Sep 10, 2026)
- Stages
- Pre-seed, Seed
- Typical check (est.)
- Disclosed on file
- Verified deals
- 1 on file
- Latest activity
- Sep 2026
Is Brian Michael Altenburg a fit for you?
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What sectors does Brian Michael Altenburg 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.
- Sep 2026
Altes U.S. Reindustrialization Fund I, LP
Invested through a fund
Public Verification Sources
Data refreshed from SEC filings and public European announcements Oct 15, 2026. Is this you? Correct or remove this profile.
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