About Timothy Day
Timothy Day is a co-founder, chief executive officer, and board chairman at Monarch Quantum.
Experience
This experience comes from Timothy Day's profile and from SEC filings. For roles taken from filings, the years are when the filings name Timothy Day in the role, so the role may have started earlier or lasted longer.
Monarch Quantum, Inc. Current
Co-Founder, Chief Executive Officer, and Board Chairman
Chairman & CEO (2025 – Present)
2025 – Present · San Diego, CA
Builds laser-based hardware for quantum computing, sensing and communications developers.
LD
Leonardo DRS
Senior Vice President and GM
2017 – 2026
IN
Infleqtion
Board Member
2018 – 2025
DS
Daylight Solutions
Co-Founder and CEO
2005 – 2017
NF
New Focus
Co-Founder, CTO and SVP
1990 – 2004
SU
Stanford University
Graduate Research Assistant
1987 – 1990
Key Colleagues at Startups
The people Timothy Day works with at each company, as listed on that company's latest Form D.
Monarch Quantum, Inc. · Form D, Mar 31, 2026
BT
Bryan Taylor
Executive officer and promoter
ET
Eric Takeuchi
Promoter
MP
Michael Pushkarsky
Promoter
CG
Chris Galvin
Director
JH
Jeffrey Harper
Director