An angel investor and operator angel based in Greenville, South Carolina, United States, Trey Grainger has 2 known investments: OpenSource Connections and Southern Data Science Conference.
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Investment focus
Contacts
Trey Grainger portfolio companies (2)
- OpenSource Connections
- Southern Data Science Conference
Investor Profile
The listing covers sectors AI, Climate and Education, and focus areas Data Analytics, EdTech and Machine Learning. Startups operating in these areas may find Trey Grainger relevant.
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
The portfolio and focus above give founders context on whether Trey Grainger matches their raise.
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Frequently asked questions
Who is Trey Grainger?
Trey Grainger is an angel investor and operator angel based in Greenville, South Carolina, United States with 2 known investments on file, among them OpenSource Connections and Southern Data Science Conference. The sections above list the sectors and stages attached to that record.
What does Trey Grainger invest in?
Listed sectors include AI, Climate and Education; listed focus areas include Data Analytics, EdTech and Machine Learning. 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 Trey Grainger invest at?
The known deals of Trey Grainger 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 Trey Grainger?
An email address, a phone number and a LinkedIn page are on file for Trey Grainger. 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 6 September 2026 · How this data is built · Report a correction or request removal