Brian Stone is an angel investor and operator angel based in Mill Valley, California, United States with 7 known investments: Gridium, Content Analytics, Velano Vascular, Siebel Systems, Vigilant Biosciences, Creative Vascular and Mformation Technologies.
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Investment focus
- Sector
- AIFinTechHealthcareSaaS
Contacts
Brian Stone portfolio companies (7)
- Gridium
- Content Analytics
- Velano Vascular
- Siebel Systems
- Vigilant Biosciences
- Creative Vascular
- Mformation Technologies
Investor Profile
The listing covers sectors AI, FinTech, Healthcare and SaaS, and focus areas CRM, Digital Banking, Enterprise SaaS and Machine Learning. Startups operating in these areas may find Brian Stone relevant.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Brian Stone?
Brian Stone is an angel investor and operator angel based in Mill Valley, California, United States with 7 known investments on file, among them Gridium, Content Analytics and Velano Vascular. The sections above list the sectors attached to that record.
What does Brian Stone invest in?
Listed sectors include AI, FinTech, Healthcare and SaaS; listed focus areas include CRM, Digital Banking, Enterprise SaaS 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.
How do I contact Brian Stone?
A LinkedIn page is on file for Brian Stone. 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