John Flavin
Venture investor in Chicago
Chicago, Illinois
John Flavin, Venture investor in Chicago is an active investor based in Chicago, Illinois. This profile covers what John Flavin backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCIncubator
- Stages
- Series A
- Invests in
- Healthcare & Biotech
- Location
- Chicago, Illinois
- Typical check
- $1M
- Past investments
- 6
Notable investments
University of ChicagoArgonne National LaboratoryAdvanced Life SciencesMolecular FormulationsFlavin Ventures, LLCMediChem Life SciencesHow to reach John Flavin
Angels and operators like John Flavin reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with John Flavin
Frequently Asked Questions
What does John Flavin invest in?
John Flavin invests in Healthcare & Biotech, typically at Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Flavin invest at?
John Flavin typically invests at Series A. Lead with traction that fits the stage when you reach out.
What is John Flavin's typical check size?
John Flavin typically writes checks around $1M. Use it as a signal for whether your raise fits their stage.
How do I contact John Flavin?
Unlock John Flavin's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.