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Thomas Lessieu

Principal Project Manager

Thomas Lessieu is a highly experienced Principal Project Manager at Westinghouse Electric Company, possessing a strong background in nuclear reactor services and project management. Since November 2016, Thomas has led various complex projects, including the development and qualification of canopy seal joints, re-packaging of spent fuel assemblies, and ex-vessel neutron dosimetry, demonstrating expertise in intervention and training. Previous roles at Westinghouse include Senior Project Manager and Project Manager, focusing on product services and managing proposals for nuclear maintenance and components. Prior experience includes working as an apprentice nuclear engineer at EDF and seasonal animation in local government. Thomas holds multiple Master's degrees in Nuclear Science and Engineering, alongside diverse technical and management training, underscoring a commitment to excellence in the nuclear field.

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