About Zach Posner
Zach Posner is a director at Proof Technology.
Zach Posner first appears on SEC filings in 2022.
Experience
This experience comes from SEC filings. The years are when the filings name Zach Posner in the role, so the role may have started earlier or lasted longer.
Key Colleagues at Startups
The people Zach Posner works with at each company, as listed on that company's latest Form D.
Proof Technology, Inc. · Form D, Dec 15, 2025
CW
Christopher Weiler
Director
JB
James Brown
Director
DD
David Dart
Chief Financial Officer
DS
David Stearns
Director
MK
Mark Kreloff
Director
JH
Jessica Hunt
Executive officer and director
EV
Eric Voogt
Director