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.
Explore membership for yourself or for your organization.
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!
Latest Magazine Issues
Nov 2025
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
December 2025
Nuclear Technology
November 2025
Fusion Science and Technology
Latest News
The progress so far: An update on the Reactor Pilot Program
It has been about three months since the Department of Energy named 10 companies for its new Reactor Pilot Program, which maps out how the DOE would meet the goal announced by executive order in May of having three reactors achieve criticality by July 4, 2026.
2022 ANS Winter Meeting and Technology Expo Speaker
Mr. Pierre Paul Oneid is the Senior Vice President of Holtec International, and President of SMR, LLC, A Wholly Owned Subsidiary of Holtec International. Mr. Oneid earned an Executive Master of Business Administration from Queens University in Canada in 1998 and a B.A. in Mechanical Engineering from the University of Ottawa, Canada in 1981. Mr. Oneid is a Professional Engineer with forty years of experience in the Nuclear Industry, including twelve years in mechanical and structural design, eight years in Business Development, and twenty years in Executive Positions. He is a member of NEI, Nuclear Strategic Initiative Advisory Committee (NSIAC), and NEI, Suppliers Advisory Committee (SAC).
Mr. Oneid is the corporate executive responsible for the Nuclear Power Division, and the Heat Transfer Division. Mr. Oneid views himself as Holtec’s transformation executive with the mission to imbue the company with a “Customer First Customer Foremost” ethos through which he seeks to deepen the company’s relationships with its clients using a core group of the company’s personnel dedicated to strengthening service and responsiveness. He also serves as the Chairman of the Holtec International’s Executive Committee.
Last modified October 25, 2022, 1:21pm MST