John Keister is an angel investor and operator angel based in Los Angeles, California, United States. The known portfolio counts 5 companies: WeDo, SPARQ, Stipple, Prism and SquareTwo.
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Investment focus
- Stage
- Seed
Contacts
John Keister portfolio companies (5)
- WeDo
- SPARQ
- Stipple
- Prism
- SquareTwo
Investor Profile
Founders in the listed sectors AI, Consumer, Hardware and SaaS, and focus areas Cybersecurity, Gaming, Marketing Tech and Media 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 John Keister?
John Keister is an angel investor and operator angel based in Los Angeles, California, United States with 5 known investments on file, among them WeDo, SPARQ and Stipple. The sections above list the sectors and stages attached to that record.
What does John Keister invest in?
Listed sectors include AI, Consumer, Hardware and SaaS; listed focus areas include Cybersecurity, Gaming, Marketing Tech and Media. 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 Keister invest at?
The known deals of John Keister 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 John Keister?
An email address, a phone number and a LinkedIn page are on file for John Keister. 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