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Greg Sisson

CISO

Department of Energy

Bio

Mr. Greg Sisson is currently serving in the Department of Energy’s Office of the CIO as the Chief Information Security Officer (CISO).

Prior to joining DOE in 2018, he served as the Chief of Staff and the Deputy Director of Operations (DJ3) at Joint Force Headquarters Department of Defense (DOD) Information Network (JFHQ-DODIN). JFHQ-DODIN is a component of United States Cyber Command, and executes Command and Control of DOD information network operations and defensive cyberspace operations globally.

He also served as a Cyberspace and Information Technology Training Capabilities Analyst for the Joint Staff J7 Director of Joint Training (DJT) where he was responsible for engaging stakeholders across the Joint Staff, Office of the Secretary of Defense (OSD), Combatant Commands, Defense Information Systems Agency (DISA), U.S. Cyber Command, Service Components, and the interagency community in order to identify common efforts, and coordinate actions integral to the development, delivery, and implementation of the DOD’s Cyber Strategy. Some of Mr. Sisson’s award include the Joint Civilian Service Commendation Award in 2013 and the Civilian Global War on Terrorism Medal in 2008.

Mr. Sisson served over 20 years as a non-commissioned and commissioned officer in the United States Army, where he led diverse organizations at multiple echelons. He retired as a Signal Officer in 2004.

Mr. Sisson completed his undergraduate studies at the University of South Carolina Aiken and earned a Bachelor of Arts degree in History. In 2014, he graduated from the College of Naval Warfare in Newport, RI, where he earned a Master of Arts degree in National Security and Strategic Studies.