Dr. Lewis retired as a principal director at The Aerospace Corporation in 2019. He was responsible for the leadership of the Strategic and Global Awareness Directorate (Project West Wing) providing international context to U.S. national security space program planning, acquisition, operations and policy communities. In parallel, from 2010 through 2019 he served as the U.S. member-at-large for space in the NATO Science and Technology Organization where he led an Alliance-wide program focused on NATO’s technical and operational space challenges. Dr. Lewis joined Aerospace in 1978 in the Resource and Energy Division and subsequently transferred to Project West Wing in 1986 where he focused on foreign military space programs. He was promoted to principal director of Project West Wing in 1992. From 1992 to 2019 Dr. Lewis lead Project West Wing providing international context to U.S. national security space program planning, acquisition, operations and policy communities including insights into current and future defense opportunities, threats and risks associated with strategic weapon delivery systems and the global space environment. He provided senior government officials counsel on global technology threats and participated in U.S. government forums addressing national security issues. In addition, from 1994 to 2000, Dr. Lewis led Aerospace’s support to the Air Force Space and Missile Systems Center’s Developmental Planning Directorate. In that capacity he was responsible for advanced space architecture engineering, concept development, technology investment strategies, and protection / survivability of U.S. space capabilities. He was a member of the 1999 U.S. Defense Science Board Task Force on Space Superiority wherein he focused on space domain awareness and space system protection. Dr. Lewis holds a bachelor’s degree in zoology, masters’ degrees in biology and business administration, and a doctorate in environmental science and engineering, all from UCLA.