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CESER Leadership

Alexander Gates



Official photo of Principal Deputy Assistant Secretary Plankey

Honorable Sean Plankey

Principal Deputy Assistant Secretary

Prior to joining the Department of Energy, Mr. Plankey served on the National Security Council as the Director for Maritime and Pacific Cybersecurity Policy, where he designed national security policy to address threats from cyberspace. He has also served as the Global Cyber Intelligence Advisor for BP, and as the Deputy Chief Information Officer for U.S. Navy Intelligence.

Mr. Plankey served 13 years as an officer in the U.S. Coast Guard, including a tour as the Offensive Weapons & Tactics Chief at US Cyber Command. During this time, he completed a deployment to Afghanistan, where he was the first U.S. Coast Guard Officer deployed to Afghanistan to conduct offensive cyber operations. He also held the role of Operations Officer and Law Enforcement Boarding Team Leader for two Coast Guard Cutters, one deployed on the Great Lakes and the other in the Bering Sea and Gulf of Alaska.

Mr. Plankey is a graduate of the U.S. Coast Guard Academy and of the University of Pennsylvania’s School of Engineering and Applied Sciences. He holds multiple professional cybersecurity and information technology certifications.


Official portrait of Deputy Assistant Secretary Andersen

Nick Andersen

Deputy Assistant Secretary for Infrastructure Security and Energy Restoration

Prior to joining the Department of Energy, Nick Andersen served in the White House Office of Management and Budget (OMB) as the Federal Cybersecurity Lead and Senior Cybersecurity Advisor to the Federal Chief Information Officer, where he led the OMB Cyber Team and was responsible for government-wide cybersecurity policy development and compliance of shared federal security services.

Andersen previously served as Chief Information Security Officer for the State of Vermont, where he was appointed to lead State efforts pertaining to the security and protection of data, security compliance activities, risk reduction, security operations, and threat intelligence.

Prior to this, Andersen was a senior executive and senior intelligence officer serving as the Chief Information Officer for Navy Intelligence and was the Head of the Office of Intelligence, Surveillance, and Reconnaissance Systems and Technologies at the U.S. Coast Guard.  He has served on active duty with the U.S. Marine Corps, managing intelligence mission systems in Iraq, Europe, and Africa; and has led cybersecurity and technology programs worldwide with several leading and emerging companies.

Andersen holds a Bachelor of Science in Information Technology Management and a Master of Science in Information Security and Assurance. He has received awards from the U.S. Navy, U.S. Marine Corps, U.S. Coast Guard, and Intelligence Community.