Liam Cooper is an angel investor and operator angel based in San Francisco, California, United States. The known portfolio counts 2 companies: Vrestem and Filter AI.
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Investment focus
Contacts
Liam Cooper portfolio companies (2)
- Vrestem
- Filter AI
Affiliated funds' portfolios
Managing Partner at Keystone, whose known portfolio counts 6 companies
- Suiteness
- Vacayo
- Hollywood Stock Exchange
- Brightflow AI
- ClariPi
- Anypoint Media
Investor Profile
Founders in the listed sectors AI and SaaS, and focus areas AI Agents, Enterprise SaaS and NLP will recognize the pattern in this portfolio.
Liam Cooper appears in Pre-Seed and Seed rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Liam Cooper?
Liam Cooper is an angel investor and operator angel based in San Francisco, California, United States with 2 known investments on file, among them Vrestem and Filter AI. The sections above list the sectors, stages and firms attached to that record.
What does Liam Cooper invest in?
Listed sectors include AI and SaaS; listed focus areas include AI Agents, Enterprise SaaS and NLP. 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 Liam Cooper invest at?
The known deals of Liam Cooper 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.
Which firm is Liam Cooper listed at?
Liam Cooper is listed as Managing Partner at Keystone. 2 other people in the database share a firm with Liam Cooper.
How do I contact Liam Cooper?
A LinkedIn page is on file for Liam Cooper. 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