Robert E. Joyce is an American cybersecurity official who served as special assistant to the President and Cybersecurity Coordinator on the U.S. National Security Council. He also began serving as White HouseHomeland Security Adviser to President Donald Trump on an acting basis after the resignation of Tom Bossert[1][2][3] from April 10, 2018, to May 31, 2018. He completed his detail to the White House in May 2018 and returned to the National Security Agency,[4][5] where he served as the Senior Advisor to the Director NSA for Cyber Security Strategy, until July 2019 when he went to London and served in the US Embassy as the NSA's senior cryptologic representative to the UK.[1] Joyce previously performed as acting Deputy Homeland Security Advisor since October 13, 2017.[6] On January 15, 2021, the NSA announced that Joyce would replace Anne Neuberger as its Director of Cybersecurity.[7][8][9]
Joyce announced his retirement in February 2024 after 34 years with the agency. His departure was in late March 2024, where he was succeeded by David Luber as the Director of Cybersecurity.[10][11] After leaving NSA, Joyce established Joyce Cyber LLC in 2024[12] providing cybersecurity consulting services. on May 18, 2024, OpenAI announced he was part of their Safety and Security Committee.[13] Other consulting clients include Microsoft, PwC, Beacon Global Strategies,[14] Sandfly Security[15] and he routinely speaks professionally through Leading Authorities Speaker's Bureau.[16]