Richard Kohrs has over 50 years of experience in systems engineering and integration of NASA Apollo, Shuttle, Space Station, and Commercial Programs. He retired from NASA as Director of Space Station Freedom where he had overall responsibility for development and operation of the program. He was Deputy Director for the Space Shuttle program where he managed the daily engineering processing, and operations activities. Earlier he led the systems integration of the Shuttle Program, with responsibility for vehicle integration of Orbiter, Main Engines, External Tank, Solid Rocket Boosters, and the Ground System. After retirement from NASA he served as Vice President of International Activities for ANSER and Director of International Aerospace Cooperation for ANSER. From 1997 through 2005 he served as Chief Engineer of Kistler Aerospace with overall responsibility for technical integration of the seven major subcontractors and systems engineering and integration of the Kistler reusable launch vehicle. From February 2006 to April 2007 he served as Program Manager of SAGES (Shuttle/Apollo Generation Expert Services) for SAIC. This activity provides the NASA Constellation Program access to retired senior personnel from Mercury, Gemini, Apollo, and Shuttle Programs.