Head, Landing & Impact System Section, Structures and Mechanics Division (Gemini Program)
Head, Atmospheric Descent Systems Section, Structures and Mechanics Division (Apollo Program)
Head, Mechanical Analysis Section, Structures and Mechanics Division (Skylab Program)
Engineer/ Deputy Chief, Mechanical Systems Branch, Spacecraft Design/ Engineering Division (Space Shuttle Program)
Engineer, Space Station Engineering/ Systems Engineering and Integration Office, Engineering and Development