NASA Marshall Space Flight Center
Test Engineer/Program Manager, Propulsion Test Operations
Deputy Division Chief, Propulsion Test Operations
NASA Stennis Space Center
Chief, Propulsion Test Operations
Deputy Director, Propulsion Test Directorate
Director, Propulsion Test Directorate
NASA Headquarters
Assistant Associate Administrator for the Space Shuttle Program, Office of Space Operations
NASA Marshall Space Flight Center
Manager, Shuttle Propulsion Office
Deputy Director
Acting Center Director
Center Director
NASA Headquarters
Associate Administrator
Acting Administrator