Gregg Kellogg is an angel investor based in San Rafael, California, United States with 4 known investments: Wikia, Microunity, Siterra Corporation and YourSports.
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Investment focus
Contacts
Gregg Kellogg portfolio companies (4)
- Wikia
- Microunity
- Siterra Corporation
- YourSports
Investor Profile
The known portfolio sits in sectors AI, Climate, Commerce and SaaS, and focus areas Accessibility Technology, Cloud Infrastructure, Computer Vision and Cybersecurity.
The portfolio and focus above give founders context on whether Gregg Kellogg matches their raise.
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Frequently asked questions
Who is Gregg Kellogg?
Gregg Kellogg is an angel investor based in San Rafael, California, United States with 4 known investments on file, among them Wikia, Microunity and Siterra Corporation. The sections above list the sectors attached to that record.
What does Gregg Kellogg invest in?
Listed sectors include AI, Climate, Commerce and SaaS; listed focus areas include Accessibility Technology, Cloud Infrastructure, Computer Vision and Cybersecurity. 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.
How do I contact Gregg Kellogg?
A LinkedIn page is on file for Gregg Kellogg. 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 5 September 2026 · How this data is built · Report a correction or request removal