John F. Harris is a managing partner at JAZZ with three decades of experience in life sciences and technology. He has founded several medical device companies and holds board positions in multiple health-focused firms.
At firms with a similar stage, sector and check size.
One email when John's firm raises a fund, adds a partner or shows new activity.

Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
Send your deckJohn F. Harris is a managing partner at JAZZ with three decades of experience in life sciences and technology. He has founded several medical device companies and holds board positions in multiple health-focused firms.
John F. Harris invests through Jazz Venture Partners, which writes checks of $500K to $30M at pre-seed, seed, series a, series b.
Email [email protected], the firm's inbox for founders, and name John in the subject. A warm intro from a founder Jazz Venture Partners backed works better.
founder at Heartstream; founder at Northstar Neuroscience; founder, president, and CEO at NeuroVista; Northstar Neuroscience.
Last updated 2026-10-15. Is this you? Ask for a correction.