Stan Reiss is a General Partner at Matrix, whose known portfolio counts 25 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
General Partner at Matrix, whose known portfolio counts 25 companies
- Captain Fresh
- Solv Protocol
- Giant
- Huddle
- Almanak
- BoldVoice
- Cosmos
- Flock Safety
- Mevo
- Thunder Compute
- Apollo GraphQL
- InPrime Finserv
- and 13 more
Investor Profile
Stan Reiss is listed against sectors AI, Commerce, Consumer and Education, and focus areas API, Analytics, Banking and Cloud Infrastructure in the database.
Matrix appears in Growth, Pre-Seed and Seed rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Stan Reiss matches their raise.
Colleagues at Matrix
Frequently asked questions
Who is Stan Reiss?
Stan Reiss is a corporate venture investor and venture capital investor based in Cambridge, Massachusetts, United States, listed as General Partner at Matrix. The known portfolio of that firm counts 25 companies. That portfolio belongs to the firm, not to Stan Reiss personally.
What does Stan Reiss invest in?
Listed sectors include AI, Commerce, Consumer and Education; listed focus areas include API, Analytics, Banking and Cloud Infrastructure. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Stan Reiss invest at?
Matrix appears in Growth, Pre-Seed and Seed rounds across its known deals, and Stan Reiss is listed there as General Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Stan Reiss listed at?
Stan Reiss is listed as General Partner at Matrix. 14 other people in the database share a firm with Stan Reiss.
How do I contact Stan Reiss?
An email address, a phone number and a LinkedIn page are on file for Stan Reiss. 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
