About Ryan Drant
Ryan Drant is a founder and managing partner, director at Calyxo.
Ryan Drant first appears on SEC filings in 2019.
Experience
This experience comes from SEC filings. The years are when the filings name Ryan Drant in the role, so the role may have started earlier or lasted longer.
Calyxo, Inc.
Founder and Managing Partner, director
2019 – 2026 · Pleasanton, CA
Calyxo makes a kidney stone removal system for urologists.
Key Colleagues at Startups
The people Ryan Drant works with at each company, as listed on that company's latest Form D.
Calyxo, Inc. · Form D, Apr 16, 2026

Douglas Hughes
Chief Financial Officer and director

Jee Shin
Founder and Chief Business Officer, director

Joe Catanese
President and Chief Executive Officer, director
JG
Jacob Garfield
Director
DA
Dave Amerson
Director

Chris Buchko
Chief Administrative Officer
DM
Dana Mead
Director
