Jeff Greene is the Senior Director for Cybersecurity Programs at the Aspen Institute. Jeff joined Aspen in July of 2022 from the White House, where he served as the Chief for Cyber Response & Policy in the National Security Council’s Cyber Directorate. Jeff led the NSC’s defensive cyber and incident response efforts, and his team developed and drafted Executive Order 14028 (Improving the Nation’s Cybersecurity). Jeff also ran the White House counter-ransomware effort and oversaw the whole-of-government effort to harden the cybersecurity of U.S. critical infrastructure in advance of Russia’s further invasion of Ukraine.

Jeff previously served as Director of the National Cybersecurity Center of Excellence at the National Institute of Standards and Technology (NIST). Prior to joining NIST he was the Vice President of Global Government Affairs and Policy at Symantec, where he led a global team of policy experts.  While at Symantec Jeff also served as an appointed member of NIST’s Information Security and Privacy Advisory Board and was a special government employee working on President Obama’s 2016 Commission on Enhancing National Cybersecurity. Before Symantec Jeff 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.