Previously, he served as manager of the Shuttle Projects Office. There he managed the Shuttle's propulsion elements, including the Space Shuttle Main Engine, External Tank, Redesigned Solid Rocket Motor, Solid Rocket Booster, Advanced Solid Rocket Motor, and related systems and activities, including the Michoud Assembly Facility.
Previously, he held a position overseeing the management of the Space Shuttle's propulsion elements, which included various components like the Space Shuttle Main Engine, External Tank, Redesigned Solid Rocket Motor, Solid Rocket Booster, Advanced Solid Rocket Motor, and related systems at the Michoud Assembly Facility.