An angel investor and operator angel based in San Francisco, California, United States, William Freiberg has one known investment, Generative Alpha.
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Investment focus
- Stage
- Pre-Seed
Contacts
William Freiberg portfolio company (1)
- Generative Alpha
Investor Profile
The known portfolio sits in sectors AI and SaaS, and focus areas Cloud Infrastructure, Cloud Native, Data Analytics and Data Engineering.
The stage tag on this profile is Pre-Seed.
The portfolio and focus above give founders context on whether William Freiberg matches their raise.
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Frequently asked questions
Who is William Freiberg?
William Freiberg is an angel investor and operator angel based in San Francisco, California, United States with one known investment on file, Generative Alpha. The sections above list the sectors and stages attached to that record.
What does William Freiberg invest in?
Listed sectors include AI and SaaS; listed focus areas include Cloud Infrastructure, Cloud Native, Data Analytics and Data Engineering. 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 William Freiberg invest at?
The database lists William Freiberg for Pre-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 William Freiberg?
A LinkedIn page is on file for William Freiberg. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal