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Clark Cully

Acting Deputy Chief Data Officer for the Department of Defense Chief Information Officer


Photograph of Clark Cully
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Dr. Clark Cully is the Acting Deputy Chief Data Officer for the Department of Defense (DoD), and also serves as the Senior Advisor to the DoD Chief Information Officer (CIO). He led the development of DoD’s Data Strategy, the stand-up of the DoD Chief Data Officer organization, and the integration of data into the Department’s Digital Modernization program. He also advises the DoD CIO on innovation and technology transformation issues.

Prior to joining DoD CIO, Dr. Cully served as an advisor in the Office of the Under Secretary of Defense for Policy. Dr. Cully authored portions of many of the Department’s key strategic documents, including the 2018 National Defense Strategy, the 2018 DoD Cyber Strategy, the 2018 DoD Cyber Posture Review. He has also managed DoD programs on 5G technology, innovation, professional education, nuclear weapons policy, and command and control modernization.

Dr. Cully has held numerous technology and policy positions across the national security community including in the DoD Office of Defense Research & Engineering, the U.S. Senate Appropriations Committee, NATO ISAF Headquarters in Afghanistan, the Office of Nonproliferation Research and Development in the U.S. Department of Energy, and the Committee on International Security & Arms Control at the National Academy of Sciences.

Dr. Cully holds a Ph.D. in high-energy physics from the University of Michigan for research conducted at Fermi National Accelerator Lab. He also holds a Master’s in physics from the University of Michigan and both a B.A. in mathematics and B.S. in physics from Calvin College in Grand Rapids. Dr. Cully’s research has been published in six peer-reviewed physics journals.

Dr. Cully is a recipient of the Secretary of Defense Meritorious Service Medal, the NATO Service Medal, and the Global War on Terrorism Service Medal. He is a graduate of the MIT Seminar XXI Program, the Federal Executive Institute leadership program, the U.S.-Japan Leadership Program, the Nuclear Scholars program at CSIS, and the Program for Emerging Leaders at National Defense University. Dr. Cully is also a former Term Member of the Council on Foreign Relations and Fellow at the C.S. Lewis Institute.