Admiral Mullen served as the 17th Chairman of the Joint Chiefs of Staff from 2007 until his retirement in 2011. Previously, he served as the 28th Chief of Naval Operations (“CNO”) from 2005 to 2007, one of four different four-star assignments he held; the other two included Commander U.S. Naval Forces Europe/Commander Allied Joint Force Command Naples, and the 32nd Vice CNO. Since 2012, Admiral Mullen has served as President of MGM Consulting LLC and is the Charles and Marie Robertson Visiting Professor at the Woodrow Wilson School of Public and International Affairs at Princeton University.
Admiral Mullen is also a director at Sprint Corporation.