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 was in charge of the Shuttle Projects Office. His responsibilities included managing the propulsion elements of the Space Shuttle, including 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.