ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Mathematics & Computation
Division members promote the advancement of mathematical and computational methods for solving problems arising in all disciplines encompassed by the Society. They place particular emphasis on numerical techniques for efficient computer applications to aid in the dissemination, integration, and proper use of computer codes, including preparation of computational benchmark and development of standards for computing practices, and to encourage the development on new computer codes and broaden their use.
Meeting Spotlight
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver Downtown
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!
Latest Magazine Issues
Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
May 2025
Latest News
ANS designates Armour Research Foundation Reactor as Nuclear Historic Landmark
The American Nuclear Society presented the Illinois Institute of Technology with a plaque last week to officially designate the Armour Research Foundation Reactor a Nuclear Historic Landmark, following the Society’s decision to confer the status onto the reactor in September 2024.
UWC Plenary SPeaker
Vice President, Energy Services and Development
Energy Northwest
Greg Cullen joined Energy Northwest in 1993 and currently holds the position of Vice President of Energy Services and Development. In this capacity, Greg is responsible for the operation and maintenance of Energy Northwest’s non-nuclear generating plants and the instrument calibration and environmental testing labs. In addition, Greg oversees the development of projects in a broad range of areas, including clean energy generation and storage, electrification, demand response, and support services. Energy Northwest’s current clean energy generation development projects include the Advanced Reactor Demonstration Program demonstration projects awarded by the department of energy in 2020.
Prior to joining Energy Services and Development, Greg held a variety of individual and management roles, including regulatory affairs, performance improvement, and several positions in support of the engineering, maintenance, and operation of Columbia Generating Station, the Northwest’s only operating nuclear energy facility.
Greg holds a Bachelor of Science degree in Engineering Physics from Northwest Nazarene University and a Master of Science degree in Mechanical Engineering from the University of Washington.
Energy Northwest is a joint operating agency serving the needs of public power by providing reliable, low-cost electricity while promoting public power activities in the region.
Last modified June 3, 2021, 4:42pm EDT