Jeff Greene is a Senior Advisor to the Aspen Institute’s Cybersecurity Programs. He served as the Executive Assistant Director for Cybersecurity at the Cybersecurity and Infrastructure Security Agency (CISA) and the Chief of Cyber Response and Policy on the National Security Council (NSC) during the Biden Administration. Before that he was Director of NIST’s Cybersecurity Center of Excellence and was an executive in a private sector cybersecurity company.
Jeff Greene
Senior Advisor, Cybersecurity Programs

Member
- Aspen Digital Team
Expertise
- Cyber defense assistance
- Cybersecurity
- Preventing & disrupting ransomware
The Limits of Risk-Informed Planning for State and Local Cyber Readiness
A shift to risk-informed planning may hinder cyber readiness as state and local governments assess their evolving digital threats.