William Greene is an angel investor based in South San Francisco, California, United States with 2 known investments: Aires Pharmaceuticals and Maverick Therapeutics.
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Investment focus
- Sector
- Healthcare
Contacts
William Greene portfolio companies (2)
- Aires Pharmaceuticals
- Maverick Therapeutics
Investor Profile
Founders in the listed sector Healthcare, and focus areas Biotech, Drug Discovery, MedTech and Ophthalmology will recognize the pattern in this portfolio.
The portfolio and focus above give founders context on whether William Greene matches their raise.
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Frequently asked questions
Who is William Greene?
William Greene is an angel investor based in South San Francisco, California, United States with 2 known investments on file, among them Aires Pharmaceuticals and Maverick Therapeutics. The sections above list the sectors attached to that record.
What does William Greene invest in?
Listed sectors include Healthcare; listed focus areas include Biotech, Drug Discovery, MedTech and Ophthalmology. 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 William Greene?
An email address and a LinkedIn page are on file for William Greene. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal