Deputy Chief/ Chief, Mission Simulation/ Crew Training and Procedures Divisions (Gemini, Apollo, Skylab and Space Shuttle Programs)
Chief, Space Science and Technology Branch, Flight Control Division (Apollo Program)
Deputy Director, Mission Operations (Space Shuttle Program)
Manager, Customer Integration Office/ Safety, Reliability, and Quality Assurance (Space Shuttle and Space Station Programs)
Deputy Manager, Space Station Projects Office/Assistant Manager, Space Shuttle Program
