Michael Holdmann is an angel investor and operator angel based in San Francisco, California, United States. The known portfolio counts 3 companies: Zayo, International Smart City Engineering Technology (Beijing) Research Institute and SecConOne, Inc.
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Investment focus
Contacts
Michael Holdmann portfolio companies (3)
- Zayo
- International Smart City Engineering Technology (Beijing) Research Institute
- SecConOne, Inc.
Investor Profile
The listing covers sectors Climate, FinTech and SaaS, and focus areas Blockchain, Clean Energy, Cryptocurrency and Data Management. Startups operating in these areas may find Michael Holdmann relevant.
The portfolio and focus above give founders context on whether Michael Holdmann matches their raise.
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Frequently asked questions
Who is Michael Holdmann?
Michael Holdmann is an angel investor and operator angel based in San Francisco, California, United States with 3 known investments on file, among them Zayo, International Smart City Engineering Technology (Beijing) Research Institute and SecConOne, Inc. The sections above list the sectors attached to that record.
What does Michael Holdmann invest in?
Listed sectors include Climate, FinTech and SaaS; listed focus areas include Blockchain, Clean Energy, Cryptocurrency and Data Management. 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 Michael Holdmann?
An email address, a phone number and a LinkedIn page are on file for Michael Holdmann. 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