Rob Joyce  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 House Homeland Security Adviser to President Donald Trump on an acting basis after the resignation of Tom Bossert 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. where he is now the Senior Advisor to the Director NSA for Cyber Security Strategy, Joyce previously performed as acting Deputy Homeland Security Advisor since October 13, 2017. Joyce graduated from Clarkson University in 1989 with a Bachelor of Science in Electrical and Computer Engineering and received a Master of Science in Electrical Engineering from Johns Hopkins University in 1993. At the White House, Joyce was instrumental in the crafting of a cybersecurity executive order,  and revamping the nation's Vulnerabilities Equities Process (VEP). In his current position he continues to speak publicly about nation state cybersecurity threats, including a 2018 DEF CON keynote. Joyce previously worked in the National Security Agency (NSA), beginning in 1989, in a variety of roles. From 2013 to 2017, he was head of the NSA's Tailored Access Operations (TAO), a cyber-warfare intelligence-gathering unit. In that role, he gave a rare public talk at the USENIX Enigma Cybersecurity conference about disrupting nation state hackers. Previously, he served as the Deputy Director of the now-defunct Information Assurance Directorate (IAD) or Directorate I, and the SID Associate Deputy Director for Counterterrorism. Also within the NSA, Joyce worked as Technical Director for the NSA Commercial Solution Center's Commercial Partnerships Office, and was chief of the Selection Systems Branch and Technical Director in NSA's Special Source Operations. The subject was allegedly fired by John R. Bolton at his White House cyber-czar position according to Richard A. Clarke, another former White House cyber-security official.