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Dr. Donald L. Cook is a former Deputy Administrator for Defense Programs at the National Nuclear Security Administration (2010 – 2015) where he was responsible for managing the U.S. nuclear security enterprise consisting of the nuclear weapons laboratories and production plants. He is also a former Managing Director and CEO of the UK Atomic Weapons Establishment. Previously, Dr. Cook supported a variety of functions at the Sandia National Laboratories, including serving as Director of the MESA Program Center, Director of the Pulsed Power Sciences Center, and Program Director for Sandia’s Infrastructure Program and Safeguards and Security Technologies Program. Dr. Cook is a graduate of the University of Michigan and the Massachusetts Institute of Technology, and a Fellow of the American Association for the Advancement of Science (AAAS) and the Institute of Physics (IOP).