Greg Willden is a Senior Principal Software Engineer at Sierra Space, having joined in July 2025. Previous experience includes roles as an Embedded Software Engineer at Red 6, where responsibilities involved the development and maintenance of embedded software for the Advanced Tactical Augmented Reality System (ATARS), and as a Principal Software Engineer at ASI by Rocket Lab, contributing to the flight software for the Lunar Photon spacecraft as part of the NASA Artemis mission. Willden has also served as a Cyber Devices Embedded Engineer at LGS Innovations, leading teams in secure communications equipment development, and as a Senior Research Engineer and Research Engineer at Southwest Research Institute, focusing on custom wireless sensor systems and embedded systems for signal acquisition. Early career work included development of control systems as a Student Researcher at Space Dynamics Laboratory. Willden holds a B.S. and M.S. in Electrical Engineering from Utah State University and St. Mary's University, respectively.
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