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Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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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Nuclear Science and Engineering
January 2026
Nuclear Technology
December 2025
Fusion Science and Technology
November 2025
Latest News
Diablo Canyon gets key state approval
Pacific Gas & Electric has announced that the California Coastal Commission, the state agency in charge of protecting California’s roughly 840 miles of coastline, unanimously voted to approve the Act Consistency Certification and Coastal Development Permit for Diablo Canyon, a critical step in the utility’s work to extend the life of the nuclear power plant.
Advanced Reactor Safety (ARS) SPeaker
Dennis is a Consulting Engineer in GE Hitachi (GEH) Nuclear Energy, with over 42 years of Risk and Safety Analysis experience and 18 years at GEH. He technically oversees the PRAs for the BWRX-300, Versatile Test Reactor (VTR), and Natrium Reactors, and was the Technical Lead for the UK ABWR and PRISM PRAs. Prior to working for GEH, Dennis worked for 10 years as a nuclear utility PRA Engineer (Duke and San Onofre) and 14 years as a contractor/consultant. Dennis has authored or co-authored more than 150 publications, including the recently issued IAEA Safety Report 96 on Multi-unit PRA, and is currently supporting the development of an IAEA TECDOC on Multi-Hazard Assessments.
Dennis is being inducted into 2024 class of the National Academy of Engineering. Dennis is the ANS-Chairman of the ANS/ASME Joint Committee on Nuclear Risk Management (JCNRM), is a member of the ANS Standards Board, and has supported PRA standard development since 1999. Dennis was awarded the ANS Theos “Tommy” Thompson award for outstanding contributions to the field of nuclear reactor safety, October 2020, and is an ANS Fellow. Dennis received his MS and BS in Nuclear Engineering from University of Florida.
Last modified April 2, 2024, 6:03am PDT
