Nick Andersen

Nicholas Andersen
Acting Director of the Cybersecurity and Infrastructure Security Agency
Assumed office
February 26, 2026
PresidentDonald Trump
Preceded byMadhu Gottumukkala
Executive Assistant Director for Cybersecurity, Cybersecurity and Infrastructure Security Agency
In office
September 2025 – February 26, 2026
PresidentDonald Trump
Assistant Secretary of Energy for Cybersecurity, Energy Security, and Emergency Response
Acting
In office
October 2020 – January 20, 2021
PresidentDonald Trump
Preceded bySean Plankey
Succeeded byPuesh Kumar
Personal details
PartyRepublican
EducationBrown University (MS)
Military service
Branch/serviceUS Marine Corps
Battles/warsOperation Iraqi Freedom

Nicholas (Nick) Andersen is a cybersecurity professional with extensive experience in both government and private sectors. He served as the Principal Deputy Assistant Secretary and performed the duties of the Assistant Secretary for the Office of Cybersecurity, Energy Security, and Emergency Response (CESER) at the U.S. Department of Energy where he led national efforts to secure U.S. energy infrastructure against various hazards.