John Wolthuis is an angel investor and operator angel based in San Francisco, California, United States with 5 known investments: Astranis, Propel, Standard Treasury, WeaveGrid and The Argument.
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Investment focus
Contacts
John Wolthuis portfolio companies (5)
- Astranis
- Propel
- Standard Treasury
- WeaveGrid
- The Argument
Investor Profile
The known portfolio sits in sectors Consumer, FinTech, Hardware and SaaS, and focus areas API, Banking, Cloud Infrastructure and Developer Tools.
John Wolthuis appears in Pre-Seed, Seed and Series B rounds across the known deals.
The portfolio and focus above give founders context on whether John Wolthuis matches their raise.
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Frequently asked questions
Who is John Wolthuis?
John Wolthuis is an angel investor and operator angel based in San Francisco, California, United States with 5 known investments on file, among them Astranis, Propel and Standard Treasury. The sections above list the sectors and stages attached to that record.
What does John Wolthuis invest in?
Listed sectors include Consumer, FinTech, Hardware and SaaS; listed focus areas include API, Banking, Cloud Infrastructure and Developer Tools. 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 John Wolthuis invest at?
The known deals of John Wolthuis include Pre-Seed, Seed and Series B 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 John Wolthuis?
An email address and a LinkedIn page are on file for John Wolthuis. 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