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John Sackett, PhD

Senior Vice President & Chief Technology Officer

Dr. Sackett, a former Associate Director of Argonne National Laboratory (ANL) and an internationally recognized expert in reactor design and safety, led much of the initial development work in small fast-reactors for the U.S. Department of Energy (DOE). Since his departure from ANL, he has served as a consultant to U.S. DOE and as a senior advisor to the Idaho National Laboratory.

During his extensive career, Dr. Sackett has managed large-scale nuclear programs for ANL and U.S. DOE involving hundreds of millions of dollars of R&D funding. He is considered one of the foremost authorities on small reactor design. His experience with fast-reactors and associated fuel recycling is not just theoretical; early in his career he was the Director of the EBR-II Division where he was responsible for day-to-day operation of the reactor and conduct of its experimental programs.

He is known as an originator of the “inherently safe” approach to reactor design, a concept demonstrated in landmark tests at EBR-II in 1986. These tests changed the approach to reactor safety worldwide and are the cornerstone of the ARC reactor design. For this work he received considerable recognition, including the Walker Cissler Award, an international award for achievements in fast-reactor design and an American Nuclear Society special award for his contributions to reactor safety. He is widely published and has received many other awards for his work.

Dr. Sackett received his BS in Mechanical Engineering from the University of Idaho and his PhD in Nuclear Engineering from the University of Arizona.

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