Bill Hill currently serves as the Deputy Associate Administrator for Exploration Systems Development in the NASA Headquarters Human Exploration and Operations Mission Directorate. In this role, Bill provides executive leadership and program management for the development of Exploration Systems; Space Launch System, Orion Multi-Purpose Crew Vehicle, Exploration Ground Systems Programs, and the overall Systems Integration. Prior to that for the last five years of the Space Shuttle Program, Bill provided executive leadership for the Space Shuttle Program in the role as the Assistant Associate Administrator for Space Shuttle in the Space Operations Mission Directorate in safely executing the last 21 missions following the transition from post-...