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Essye B. Miller

Former Principal Deputy, Department of Defense Chief Information Officer


Ms. Essye B. Miller is a career member of the Senior Executive Service, and currently served as the Principal Deputy, Department of Defense Chief Information Officer (DoD CIO). In this capacity, Ms. Miller assists the DoD CIO as the primary advisor to the Secretary of Defense for Information Management / Information Technology (IT) and Information Assurance, as well as non-intelligence space systems; critical satellite communications, navigation, and timing programs; spectrum; and telecommunications. 

While serving as the Deputy Chief Information Officer (DCIO) for Cybersecurity and the Department’s Senior Information Security Officer (SISO), Ms. Miller was appointed by the Deputy Secretary of Defense as the Acting Defense Chief Information Officer (December 8, 2017 – May 6, 2018). As the DCIO for Cybersecurity, Ms. Miller was responsible for ensuring that the DoD CIO has a well-defined and executed cybersecurity program, and coordinating cybersecurity standards, policies, and procedures with other federal agencies, coalition partners, and industry. 

Prior to joining the DoD CIO, Ms. Miller was the Director of Cybersecurity for the Army CIO/G-6. She was also the Army's Senior Information Assurance Officer, and therefore was responsible for the development, implementation, execution, and oversight of the Army's Cybersecurity Program. 

From November 2010 until August 2014, Ms. Miller served as the Director of Information Management and the CIO for Headquarters Air Force, Office of the Administrative Assistant to the Secretary of the Air Force in Washington, D.C. 

Ms. Miller began her career as an Information Technology Specialist at Gunter Air Force Base. She went on to serve in various leadership positions throughout the Air Force, including with the following units or offices: Air Force Communication and Information Center; Air Force Office of Warfighting Integration and Chief Information Office at the Pentagon; Air Combat Command at Langley Air Force Base; the 75th Communications and Information Directorate; and Deputy CIO at Hill Air Force Base in Ogden, UT. 

Ms. Miller earned her Bachelor of Arts degree from Talladega College, a Master of Business Administration Degree from Troy State University and a Master of Strategic Studies from Air University in Montgomery, Alabama. Ms. Miller is a 2016 graduate of the Harvard Kennedy School of Government in National and International Security Studies. Additionally, Ms. Miller is Acquisition Level III certified in Information Technology.

Ms. Miller was awarded the Presidential Rank Award as a meritorious recipient in 2018. This award is given to members of the Senior Executive Service for exceptional service over an extended period of time.

She is a member of Armed Force Communications and Electronics Association.