Mathematician/ Engineer, Real Time Program Development, Mission Planning Analysis Division (Mercury, Gemini, and Apollo Programs)
Engineer, Flight Software Branch/ Data Processing Branch, Flight Support Division (Apollo Program)
Engineer, Mission Control Center Support Office/ Planning and Control Office, Ground Data Systems Division (Space Shuttle Program)
Engineer, Advanced Projects and Program Planning Office, Systems Development Division (Space Shuttle Program)
Head, Mission Control Software Support/ Simulation Software Development, Systems Development Division (Space Shuttle Program)
Environment Manager, Ground Software Development Environment, Space Station Ground Systems Division
