Investor profile
John Flavin
Accelerator, Venture capital & Founder & CEO at Portal Innovations, Managing Director at Flavin Ventures
John Flavin is a Founder & CEO at Portal Innovations, whose known portfolio counts 9 companies.
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Investment focus
- Sector
- Healthcare
- Focus
- BiotechDrug DiscoveryLab IncubatorLife ScienceMedTechPharma
Contacts
Affiliated funds' portfolios
Founder & CEO at Portal Innovations, whose known portfolio counts 9 companies
- Vincere Biosciences
- March Biosciences
- Syntis Bio
- SyntaxBio
- CrossBridge Bio
- Dimension Inx
- Alnair Therapeutics
- Moonlight Therapeutics
- Synaptrix
Managing Director at Flavin Ventures, whose known portfolio counts 1 company
- Molecular Formulations
Investor Profile
John Flavin is listed against sector Healthcare, and focus areas Biotech, Drug Discovery, Lab Incubator and Life Science in the database.
Portal Innovations appears in Pre-Seed, Seed and Series A rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether John Flavin is worth approaching.
Colleagues
Frequently asked questions
Who is John Flavin?
John Flavin is an accelerator partner and venture capital investor based in Chicago, Illinois, United States, listed as Founder & CEO at Portal Innovations. The known portfolio of that firm counts 9 companies. That portfolio belongs to the firm, not to John Flavin personally.
What does John Flavin invest in?
Listed sectors include Healthcare; listed focus areas include Biotech, Drug Discovery, Lab Incubator and Life Science. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does John Flavin invest at?
Portal Innovations appears in Pre-Seed, Seed and Series A rounds across its known deals, and John Flavin is listed there as Founder & CEO. 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 John Flavin listed at?
John Flavin is listed as Founder & CEO at Portal Innovations. 4 other people in the database share a firm with John Flavin.
How do I contact John Flavin?
An email address, a phone number and a LinkedIn page are on file for John Flavin. 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