About John Melas-Kyriazi
John Melas-Kyriazi is a chief executive officer and director at Quaestor Technologies.
John Melas-Kyriazi first appears on SEC filings in 2020.
Experience
This experience comes from John Melas-Kyriazi's profile and from SEC filings. For roles taken from filings, the years are when the filings name John Melas-Kyriazi in the role, so the role may have started earlier or lasted longer.
Quaestor Technologies, Inc. Current
Co-Founder & CEO (2020 – Present)
Director
2020 – Present · San Francisco, CA
Portfolio management software for venture capital and private equity firms.
MI
MK Investments Current
Investor
2019 – Present
8V
8VC
Advisor
2020 – 2024
FC
First Round Capital
Angel Track
2023
SC
Spark Capital
Investor
2014 – 2020
ST
StartX
CFO & Head of Business Development
2012 – 2014
SU
Stanford University
Applied Physics Researcher
2009 – 2012
Key Colleagues at Startups
The people John Melas-Kyriazi works with at each company, as listed on that company's latest Form D.
Quaestor Technologies, Inc. · Form D, Aug 25, 2026
AD
Ann Demirtjis
Director
AM
Alex Moore
Director