Alex Stamos is an angel investor based in San Francisco, California, United States with 4 known investments: Evervault, Cyberhaven, Altitude Networks and Signal Sciences.
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Investment focus
- Stage
- Seed
Contacts
Alex Stamos portfolio companies (4)
- Evervault
- Cyberhaven
- Altitude Networks
- Signal Sciences
Investor Profile
Founders in the listed sectors Consumer, Education and SaaS, and focus areas Cybersecurity, Developer Tools and Higher Ed will recognize the pattern in this portfolio.
Stage-wise, the known deals cluster around Seed rounds.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Alex Stamos?
Alex Stamos is an angel investor based in San Francisco, California, United States with 4 known investments on file, among them Evervault, Cyberhaven and Altitude Networks. The sections above list the sectors and stages attached to that record.
What does Alex Stamos invest in?
Listed sectors include Consumer, Education and SaaS; listed focus areas include Cybersecurity, Developer Tools and Higher Ed. 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.
What stage does Alex Stamos invest at?
The known deals of Alex Stamos include Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Alex Stamos?
An email address and a LinkedIn page are on file for Alex Stamos. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal