Madelyn Herzfeld

Active Investor

Founder, Carevive & HC Oncology Advisory Committee Chair

Miami Beach, Florida

Madelyn Herzfeld, Founder, Carevive & HC Oncology Advisory Committee Chair is an active investor based in Miami Beach, Florida. This profile covers what Madelyn Herzfeld backs, at which stage, and how founders can reach out in 2026.

Investor type: Angel
Stages: Pre SeedSeed
Invests in: Healthcare & BiotechBiotech & PharmaDeveloper Tools & DataIoT & Connected DevicesGaming & EntertainmentMedia & Content
Location: Miami Beach, Florida
Typical check: $150K
Past investments: 2

Notable investments

Carevive SystemsHealth Catalyst

How to reach Madelyn Herzfeld

Angels and operators like Madelyn Herzfeld 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.

Frequently Asked Questions

What does Madelyn Herzfeld invest in?

Madelyn Herzfeld invests in Healthcare & Biotech, Biotech & Pharma, Developer Tools & Data and IoT & Connected Devices, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.