About Brennen Miller
Brennen Miller is a chief executive officer and director at Lightyear Space.
Experience
This experience comes from Brennen Miller's profile and from SEC filings. For roles taken from filings, the years are when the filings name Brennen Miller in the role, so the role may have started earlier or lasted longer.
Lightyear Space, Inc. Current
Co-Founder and CEO (2026 – Present)
Director
2026 – Present · Denver, CO
Precision timing services independent of GPS for critical infrastructure operators.
KA
Karman+
Head of AI&T
2025 – 2026
BO
Blue Origin
Senior Aerospace Systems Engineer
2022 – 2025
LM
Lockheed Martin
Senior Systems Integration and Test Engineer
2018 – 2022
LI
Lentech, Inc.
Spacecraft Systems Engineer: NASA GSFC (Hubble Space Telescope Program)
2018
VU
Valparaiso University
Ambassador to the College of Engineering
2015 – 2017
NA
NASA - National Aeronautics and Space Administration
Mechanical Engineering Intern
2015 – 2017
MC
Marathon Petroleum Corporation
Engineering Project Managment Intern
2016
OT
Ohio Department of Transportation
Summer Help
2013 – 2014
TC
The Wendy's Company
Crew Member
2010 – 2013
Key Colleagues at Startups
The people Brennen Miller works with at each company, as listed on that company's latest Form D.
Lightyear Space, Inc. · Form D, Aug 5, 2026
Elan Eisner
Chief Operating Officer and director