Jon Gelsey is an angel investor and operator angel based in Mercer Island, Washington, United States. The known portfolio counts 7 companies: Plus, Madrona Venture Labs, CommandK, Magnify, Trinsic, Zuplo and Pixel8earth.
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Investment focus
Contacts
Jon Gelsey portfolio companies (7)
- Plus
- Madrona Venture Labs
- CommandK
- Magnify
- Trinsic
- Zuplo
- Pixel8earth
Investor Profile
Founders in the listed sectors AI, Consumer and SaaS, and focus areas API, Cloud Infrastructure, Data and Data Analytics will recognize the pattern in this portfolio.
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
The portfolio and focus above give founders context on whether Jon Gelsey matches their raise.
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Frequently asked questions
Who is Jon Gelsey?
Jon Gelsey is an angel investor and operator angel based in Mercer Island, Washington, United States with 7 known investments on file, among them Plus, Madrona Venture Labs and CommandK. The sections above list the sectors and stages attached to that record.
What does Jon Gelsey invest in?
Listed sectors include AI, Consumer and SaaS; listed focus areas include API, Cloud Infrastructure, Data and Data Analytics. 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 Jon Gelsey invest at?
The known deals of Jon Gelsey include Pre-Seed and 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 Jon Gelsey?
An email address and a LinkedIn page are on file for Jon Gelsey. 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