Jeff Greene

Jeff Greene serves as the Executive Assistant Director for Cybersecurity for the Cybersecurity and Infrastructure Security Agency (CISA) as of June 13, 2024.  In this role, Greene leads CISA’s mission to protect and strengthen federal civilian agencies and the nation’s critical infrastructure against cyber threats.  

Previously, Greene was a Senior Director at the Aspen Institute, where he led the global cybersecurity policy program.  Prior to Aspen, he was the Chief for Cyber Response & Policy in the National Security Council at the White House.  He also served as Director of the National Cybersecurity Center of Excellence at the National Institute of Standards and Technology (NIST), and came to NIST from Symantec, where he was the Vice President of Global Government Affairs and Policy.  While at Symantec, Greene also served as a member of NIST’s Information Security and Privacy Advisory Board and was a special government employee on President Obama’s 2016 Commission on Enhancing National Cybersecurity.

Before Symantec, he worked on both the House and Senate Homeland Security Committees, was Counsel to the Senate’s Special Investigation into Hurricane Katrina, and practiced law at a large Washington, D.C. firm.