Stephanie Possehl

Stephanie L. Possehl, Principal Deputy Director, Systems Engineering and Architecture, US Department of Defense

Ms. Stephanie Possehl is the Principal Deputy Director, Systems Engineering and Architecture within the Office of the Under Secretary of Defense for Research and Engineering.

Ms. Possehl has more than 25 years of Federal service with the Department of Defense, including program management positions with the Missile Defense Agency (MDA) supporting Aegis Ballistic Missile Defense and the Sea-Based Terminal program. Before joining MDA, she taught senior-level program management and systems engineering courses at the Defense Acquisition University. Her previous engineering and project management assignments supported the US Navy STANDARD Missile Program Office and the Naval Surface Warfare Center/Dahlgren Division. She began her career as a contractor providing engineering support to DoD programs.

Ms. Possehl holds a Bachelor of Science in mechanical engineering and a Master of Science in technology management, both from the University of Maryland. She is a member of the Acquisition Professional Community and is DAWIA Level 3 certified in Program Management and Engineering. She received the MDA Medal for Exceptional Civilian Service (2020), Navy Superior Civilian Service Award (2018), and Navy Meritorious Civilian Service Award (2015).