Captain Daryk Zirkle is the Sea Services Chair at the College of Information and Cyberspace, National Defense University, Fort McNair Washington D.C. He holds a Bachelor of Science in Physics from Rensselaer Polytechnic Institute and Master of Engineering Management from Old Dominion University. While he began his military career as a nuclear submariner in 1993, he came to the Navy's Information Warfare community in 1998 as a Cryptologic officer. His tours at sea have included USS NIMITZ (CVN-68) and the Carrier Strike Group TWELVE staff embarked in USS ENTERPRISE (CVN-65). In 2009, Captain Zirkle served as the Deputy Director for Information Operations (CJ3IO) on the staff of Multi-National Forces Iraq (MNFI). Ashore, he most recently reported from the Navy's Information Warfare staff (OPNAV N2N6) in the Pentagon, and also served on the staffs of United States Fleet Forces Command, United States SIXTH Fleet, and Naval Network Warfare Command.
While in the Pentagon, Captain Zirkle was deeply involved in the development of the Joint Concept for Operations in the Information Environment, execution of the Strategy for Operations in the Information Environment, and staffing of Information as the seventh Joint Function. His cyber experience includes a tour as the Operations Officer for Navy Information Operations Command Norfolk, the former home of the Navy's Cyber Defense Red and Blue Teams.