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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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October 2025
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September 2025
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Latest News
ANS continues to expand its certificate offerings
It’s almost been a full year since the American Nuclear Society held its inaugural section of Nuclear 101, a comprehensive certificate course on the basics of the nuclear field. Offered at the 2024 ANS Winter Conference and Expo, that first sold-out course marked a massive milestone in the Society’s expanding work in professional development and certification.
Utility Working Conference and Vendor Technology Expo (UWC 2023)
Sean Sexstone is GE Hitachi Nuclear Energy’s Executive Vice President, Advanced Nuclear. In his role, Sean focuses on leading the development and project delivery of the Advanced Nuclear business. He’s responsible for furthering the design progress of BWRX-300 and Natrium projects, supporting our customers, meeting product cost targets to ensure competitiveness in the market, and developing key partnerships for global SMR deployment.
Sean joined GEH February 2022 from Aecon, where he was responsible for leading Aecon’s Nuclear group with a focus on life extension projects, plant life maintenance projects, decommissioning and nuclear fabrication. While at Aecon, he led large capital projects including the refurbishment at Bruce Power and at OPG’s Darlington Nuclear Generating Station. Prior to Aecon Sean gained EPC execution experience with CB&I/McDermott as well as utility experience with Entergy, focusing on project management, supply chain and vendor oversight.
Sean has a Bachelor of Science degree in Industrial Engineering from West Virginia University, and a Master of Business Administration from Duke University.
Last modified July 27, 2023, 3:40pm EDT
