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Division Spotlight
Decommissioning & Environmental Sciences
The mission of the Decommissioning and Environmental Sciences (DES) Division is to promote the development and use of those skills and technologies associated with the use of nuclear energy and the optimal management and stewardship of the environment, sustainable development, decommissioning, remediation, reutilization, and long-term surveillance and maintenance of nuclear-related installations, and sites. The target audience for this effort is the membership of the Division, the Society, and the public at large.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott 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!
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Nuclear Science and Engineering
July 2025
Nuclear Technology
June 2025
Fusion Science and Technology
Latest News
Nominations open for CNTA awards
Citizens for Nuclear Technology Awareness is accepting nominations for its Fred C. Davison Distinguished Scientist Award and its Nuclear Service Award. Nominations for both awards must be submitted by August 1.
The awards will be presented this fall as part of the CNTA’s annual Edward Teller Lecture event.
2020 ANS Virtual Winter Meeting Plenary Special Session Speaker
Exelon GenerationExecutive Vice President and Chief Generation Officer
Profile Hanson is responsible for the safe, efficient and reliable operation of Exelon Generation’s power generation fleet, which includes nearly 100 generating units in 19 states and Canada. Exelon Generation operates the largest clean energy fleet in America, producing electricity from 10 fuel types including nuclear, natural gas, hydro, wind and solar.
Professional HistoryHanson has more than 30 years of progressive experience in the nuclear power industry. Prior to his current role, Hanson was president and chief nuclear officer of Exelon Generation’s nuclear fleet. In that role, Hanson was responsible for ensuring that Exelon Generation maintained high levels of performance and safety across its nuclear fleet of 21 reactors at 12 facilities that it operates in Illinois, Maryland, New York and Pennsylvania. During his tenure with Exelon, Hanson served as the nuclear chief operating officer, senior vice president of Midwest operations, site vice president for Exelon’s Braidwood Generating Station and the site vice president for Clinton Power Station. He also has been vice president of nuclear oversight, Limerick Generating Station plant manager, and director of operations and work control.
Education Hanson earned a bachelor’s degree in nuclear engineering from the University of Wisconsin at Madison and a Master of Business Administration from St. Ambrose University in Davenport, Iowa. Hanson is a graduate of the Institute of Nuclear Power Operations Senior Nuclear Plant Management Program, the Exelon Leadership Institute at the Kellogg Graduate School of Management at Northwestern University, and the Advanced Management Program at Harvard University.
Professional Affiliations Hanson is on the board of directors for Easterseals DuPage and the Fox Valley Region, and he also serves on the University of Wisconsin Engineering Physics Advisory Board.
Last modified October 13, 2020, 5:02pm EDT