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
Operations & Power
Members focus on the dissemination of knowledge and information in the area of power reactors with particular application to the production of electric power and process heat. The division sponsors meetings on the coverage of applied nuclear science and engineering as related to power plants, non-power reactors, and other nuclear facilities. It encourages and assists with the dissemination of knowledge pertinent to the safe and efficient operation of nuclear facilities through professional staff development, information exchange, and supporting the generation of viable solutions to current issues.
Meeting Spotlight
Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2025)
February 3–6, 2025
Amelia Island, FL|Omni Amelia Island Resort
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
Dec 2024
Jul 2024
Latest Journal Issues
Nuclear Science and Engineering
December 2024
Nuclear Technology
Fusion Science and Technology
November 2024
Latest News
SRS celebrates successes during National Apprenticeship Week
The Department of Energy’s Savannah River Site in South Carolina recently joined in the nationwide celebration of the Department of Labor’s 10th annual National Apprenticeship Week, spotlighting the progress and diversity of its apprenticeship program that spans 27 occupations.
Click here to watch a video highlighting the SRS Apprenticeship Program.
2020 ANS Virtual Winter Meeting Plenary Session Appearance
Profile
Marilyn Kray is responsible for leading major initiatives related to current and advanced reactor designs to create growth opportunities that leverage Exelon’s nuclear operations competency. These initiatives include potential acquisition of existing plants, pursuing operational service agreements both domestically and internationally as well as engaging with advanced reactor developers in order to evaluate potential business opportunities and future deployment of the technology.
Marilyn served as President of NuStart Energy Development, LLC an industry consortium formed to develop the process for preparing the Combined Construction and Operating License applications for the first wave of new nuclear plants to be constructed in the US in over 30 years.
Professional History
Marilyn has an in-depth knowledge of the global nuclear industry. She was Vice President of Exelon Nuclear Partners, responsible for international business development and she led Exelon’s Nuclear Acquisition Support and Integration team pioneering the internal processes for due diligence and plant transitions which resulted in the successful completion of the purchases of Three Mile Island, Clinton, and Oyster Creek. More recently, she led the acquisition of the FitzPatrick plant.
She began her career with Exelon in the licensing organization for Peach Bottom Atomic Power Station. Prior to joining Exelon, Marilyn was a Reactor Engineer and Project Manager for the U.S. Nuclear Regulatory Commission (NRC). Marilyn has testified in front of Congress on multiple occasions on the subject of nuclear development in the U.S.
Industry Leadership and Awards
Throughout her career Marilyn has served in leadership roles as Exelon’s representative to the Nuclear Energy Institute (NEI) and the Electric Power Research Institute (EPRI). She was the 2019-2020 President of the American Nuclear Society. Marilyn is the 2005 recipient of the World Nuclear Association (WNA) award for Distinguished Contribution to the Peaceful Use of Nuclear Technology. In 2007 she received the American Nuclear Society’s Utility Leadership Award. Under Kray’s leadership, the NuStart organization was one of four finalists for the 2012 Edison Award.
Education
Kray is a graduate of Carnegie-Mellon University, with a Bachelor of Science degree in Chemical Engineering.
Last modified November 5, 2020, 10:21am EST
