John Cassidy, Managing Partner at JJB Capital Partners is an active investor based in Carlsbad, California. This profile covers what John Cassidy backs, at which stage, and how founders can reach out in 2026.
John Cassidy is the Managing Partner at JJB Capital Partners and Chief Financial Officer at Genomic Testing Cooperative and Bezyl®.
John Cassidy invests in Digital Health & HealthTech and Fintech, typically at Early Stage Venture.
- Location
- Carlsbad, California
- Typical check
- $500K
What does John Cassidy invest in?
- Investor type
- VC
- Stages
- Early Stage Venture
- Invests in
- Digital Health & HealthTechFintech
Where is John Cassidy based?
John Cassidy is based in Carlsbad, California.
- Browse more startup investors near John Cassidy:
- Startup investors in CaliforniaStartup investors in the United States
How to reach John Cassidy
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About this profile
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Cite this page
Round Funded. "John Cassidy." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/john-cassidy-carlsbad
Frequently Asked Questions
Who is John Cassidy?
John Cassidy, Managing Partner at JJB Capital Partners is an active investor based in Carlsbad, California. John Cassidy invests in Digital Health & HealthTech and Fintech, typically at Early Stage Venture.
What does John Cassidy invest in?
John Cassidy invests in Digital Health & HealthTech and Fintech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Cassidy invest at?
John Cassidy typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is John Cassidy's typical check size?
John Cassidy typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
Where is John Cassidy based?
John Cassidy is based in Carlsbad, California.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.
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