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John Stewart

Director at QuantumXchange.

Director
Updated Oct 27, 2026·Latest SEC filing Mar 23, 2023·Suggest an edit

About John Stewart

Form D filings for QuantumXchange in 2023 list John Stewart as director.

John Stewart first appears on SEC filings in 2023.

Experience

This experience comes from SEC filings. The years are when the filings name John Stewart in the role, so the role may have started earlier or lasted longer.

QuantumXchange, Inc.
Director
2023 · Bethesda, MD

Key Colleagues at Startups

The people John Stewart works with at each company, as listed on that company's latest Form D.

QuantumXchange, Inc. · Form D, Mar 23, 2023
HN
Holly Neiweem
Executive officer
GB
Gary Benedetti
Executive officer
RG
BM
HC
Hal Chapel
Executive officer and director
AB
April Burghardt
Executive officer
EZ
Eddy Zervigon
CEO and director
GS
Gene Savchuk
Executive officer
TW

Sources

  1. SECQuantumXchange, Inc. Form D, filed Mar 23, 2023