About Lenny Pruss
Lenny Pruss is a general partner at Amplify Partners, where he works with technical founders. He is also a director of Determinate Systems, which makes Nix tools for engineering teams. He serves as a director of Void Star Holdings and East River Source Control.
He earned a B.S. from UC Berkeley and an MBA from Harvard Business School.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Lenny Pruss in the role, so the role may have started earlier or lasted longer.
Determinate Systems, Inc. Current
Director
2026 – Present · Boston, MA
It provides secure, repeatable software builds across development, cloud, and production environments.
AP
Key Colleagues at Startups
The people Lenny Pruss works with at each company, as listed on that company's latest Form D.
Determinate Systems, Inc. · Form D, Nov 10, 2026
Jeffrey Martens
Chief Executive Officer and director
Graham Christensen
Co-founder, Chief Technical Officer and director
Eelco Dolstra
Co-founder, Creator of Nix and director
MC
Mitch Cooney
Director
Void Star Holdings Inc. · Form D, Dec 12, 2025
DS
David Scherer
Executive officer and director
NL
Nicholas Lavezzo
Executive officer and director
WW
William Wilson
Chief Executive Officer and director
DP
Doug Patti
Director
East River Source Control, Inc. · Form D, Jul 9, 2025
BB
Benjamin Brittain
Chief Executive Officer and director
DB
David Barsky
Director