John Michael Richardson (born c. 1960) is an admiral in the United States Navy and the current Chief of Naval Operations. He previously served as the Director of the Naval Nuclear Propulsion Program from November 2, 2012 to August 14, 2015. While serving as Director of Naval Nuclear Propulsion (itself a joint Department of Energy and Department of Navy organization), Richardson was responsible for the command and safe, reliable operation of the United States Navy's nuclear propulsion program and for all the current United States naval reactors deployed for usage as well as all facilities needed to ensure safe operations. On May 13, 2015, United States Secretary of Defense, Ashton Carter, announced Richardson's nomination to succeed Admiral Jonathan Greenert as Chief of Naval Operations. Richardson began serving as the 31st Chief of Naval Operations September 18, 2015.