An angel investor based in Westport, Connecticut, United States, David Belzer has 5 known investments: Mobile Posse, Primesport, AgaMatrix, Ryan and Spartan Energy Services.
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Investment focus
Contacts
David Belzer portfolio companies (5)
- Mobile Posse
- Primesport
- AgaMatrix
- Ryan
- Spartan Energy Services
Investor Profile
The known portfolio sits in sectors Climate, FinTech, Healthcare and SaaS, and focus areas Diabetes, Marketing Tech, Oil & Gas and SportsTech.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is David Belzer?
David Belzer is an angel investor based in Westport, Connecticut, United States with 5 known investments on file, among them Mobile Posse, Primesport and AgaMatrix. The sections above list the sectors attached to that record.
What does David Belzer invest in?
Listed sectors include Climate, FinTech, Healthcare and SaaS; listed focus areas include Diabetes, Marketing Tech, Oil & Gas and SportsTech. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
How do I contact David Belzer?
An email address, a phone number and a LinkedIn page are on file for David Belzer. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal