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 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
Latest Magazine Issues
May 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
June 2026
Nuclear Technology
Fusion Science and Technology
Latest News
FERC decision on Crane restart coming in June or July, Constellation execs say
In a first quarter earnings call Monday, executives at Constellation said they should know in June or July the status of a request to the Federal Energy Regulatory Commission to transfer capacity interconnection rights from the company’s Eddystone gas- and-oil-powered plant in Pennsylvania to Crane nuclear power plant (formerly Three Mile Island-1).
President & Chief Executive Officer
MITRE Corp
Mark Peters is the president and chief executive officer of MITRE, the global not-for-profit technology company that operates R&D centers around the world. He leads a multidisciplinary team that stands united in providing technical expertise, stability, and continuity to government agency sponsors. Peters is responsible for governance and oversight of the company's diverse markets, including artificial intelligence, aerospace, telecommunications, homeland security, cyber, transportation, defense and intelligence, health, and government innovation. A recognized expert in nuclear energy and national security, Peters spent more than 25 years leading scientific discovery for federally funded R&D centers (FFRDCs). Before joining MITRE in 2024, he served as the executive vice president for laboratory management and operations at Battelle Memorial Institute. Prior leadership roles include director of the Idaho National Laboratory and president of Battelle Energy Alliance LLC, a large, multipurpose laboratory focused on nuclear energy, national and homeland security, and energy and environmental science and technology. Peters also served two years as chair of the National Laboratory Directors’ Council, an independent body that coordinates initiatives and advises the Department of Energy and other national laboratory stakeholders. Prior to joining Battelle, he was associate laboratory director for Energy and Global Security at Argonne National Laboratory. Peters was awarded the 2023 Henry DeWolf Smyth Nuclear Statesman Award, which recognizes individuals for outstanding service in developing and guiding the peaceful uses of nuclear energy. He is a member of the National Academy of Engineering and vice president/president elect of the American Nuclear Society. He also serves on the Idaho Power Board, the National Academies Board on Human-Systems Integration, and several boards that support innovation and economic development. In 2024 and 2025 Virginia Business Magazine named Peters to its Power 500 list for federal contractors in technology. The list recognizes the state’s most influential leaders in business, government, politics, and education. Peters holds a bachelor’s degree in geology from Auburn University and a doctorate in geophysical sciences from the University of Chicago. He has also completed extensive executive management education and training courses, including the Strategic Laboratory Leadership Program at the University of Chicago Booth School of Business.