Paul Castella is an angel investor and operator angel based in San Antonio, Texas, United States. The known portfolio counts 7 companies: Aerin Medical, Xenex, BioDtech, Bluegrass Vascular Technologies, DNAtriX, Soluble Therapeutics, Inc. and StemBioSys.
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Investment focus
- Sector
- AIHardwareHealthcare
Contacts
Paul Castella portfolio companies (7)
- Aerin Medical
- Xenex
- BioDtech
- Bluegrass Vascular Technologies
- DNAtriX
- Soluble Therapeutics, Inc.
- StemBioSys
Investor Profile
The listing covers sectors AI, Hardware and Healthcare, and focus areas Big Data, Biotech, Diabetes and Digital Health. Startups operating in these areas may find Paul Castella 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 Paul Castella?
Paul Castella is an angel investor and operator angel based in San Antonio, Texas, United States with 7 known investments on file, among them Aerin Medical, Xenex and BioDtech. The sections above list the sectors attached to that record.
What does Paul Castella invest in?
Listed sectors include AI, Hardware and Healthcare; listed focus areas include Big Data, Biotech, Diabetes and Digital Health. 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 Paul Castella?
An email address, a phone number and a LinkedIn page are on file for Paul Castella. 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