Gregory J. (Greg) Williams

Deputy Associate Administrator for Policy and Plans in NASA’s Human Exploration and Operations Mission Directorate

Mr. Williams became Deputy Associate Administrator for Policy and Plans in NASA’s Human Exploration and Operations Mission Directorate in August 2012. In this capacity he assists the HEOMD Associate Administrator in charting the future course of NASA’s human space exploration programs. He works to both shape and respond to the policy environment in which human spaceflight programs are conducted both internal and external to the agency.

Mr. Williams came to HEOMD from NASA’s Science Mission Directorate where he served as the Deputy Director of the Strategic Integration & Management Division. He led the development of two editions of the triennial Science Plan that defined NASA’s Earth and space science objectives and programs for the next decade. He led the team of policy analysts that managed the Science Mission Directorate’s interactions with the Executive and Legislative branch offices as well as its public engagement activities.

Earlier in his career, Mr. Williams was the Senior Policy Analyst for NASA’s Earth Science Enterprise, leading strategic planning and communications activities during the challenging era of development and deployment of the Earth Observing System. He was the Enterprise’s liaison with the National Research Council as it developed the first decadal survey for Earth science and applications from space.

Mr. Williams’ first decade at NASA was devoted to the formulation and development of what is now the International Space Station. He served in the Utilization and Operations Division of the Space Station Freedom Program Office, developing plans for Space Station operations and its resupply via the Space Shuttle, and crafting the first budget structure and cost estimates of Space Station operations. He served as the Operations member of the original Space Station International Agreements Negotiating Team.

Mr. Williams began his NASA career as a Presidential Management Intern in the Office of Space Station at NASA Headquarters. He is the recipient of two NASA Exceptional Service Medals. He holds a Master of Science in Public Administration and Policy Analysis from Carnegie-Mellon University in Pittsburgh, PA, and a Bachelor of Science in Economics from the University of Washington in Seattle.