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Tison A. Campbell

Tison Campbell is a partner in the firm’s Environment, Land, and Natural Resources practice group. Tison focuses his practice on helping clients navigate the policy and regulatory challenges associated with nuclear facility licensing at the US Nuclear Regulatory Commission and nuclear materials licensing at the NRC and in the Agreement States.

Prior to joining the firm, Tison spent more than 19 years at the NRC, where he served in various senior leadership roles in the Office of the General Counsel, Office of the Chief Information Officer, and Office of Commission Appellate Adjudication. In these roles, Tison supervised the agency’s legal work related to international programs, ethics, legislation, rulemaking, the Agreement States, operating nuclear power plants, nuclear fuel-cycle facilities, low-level and high-level radioactive waste storage and disposal, and the use of nuclear materials.

Tison attended the International School of Nuclear Law (ISNL), established by the OECD Nuclear Energy Agency (NEA) in co-operation with the University of Montpellier, where he received his university diploma in International Nuclear Law. Tison also holds a B.S. in Physics, with distinction, from the University of Virginia.

Prior to joining the firm, Tison worked at the United States Nuclear Regulatory Commission (NRC) in the Office of the General Counsel in practice areas related to rulemaking, operating nuclear reactor regulation, the National Materials Program and interactions with Agreement State regulators, the nuclear fuel cycle, interactions with Congress, international law, and federal ethics. 

  • "Understanding the regulatory ecosystem: licensing and high level waste," Nuclear Energy: An Emerging Issue Forum, University of Wyoming, April 2026
  • "What Regulatory Hurdles Exist for the Nuclear Renaissance?," 2026 Northeast Chapter Winter Summit, Energy Bar Association, March 2026
  • "The next wave of energy transitions and international disputes - What about nuclear energy and its resurgence? What is going on in disputes relating to nuclear energy?," Kyiv Arbitration Days, December 2025
  • "Pre-licensing and licensing SMRs: Siting, environmental reviews and public participation, Bridging Law and Technology: International Workshop for the Deployment of Small Modular Reactors," Nuclear Energy Agency, December 2025
  • "Charting the Course: The Past, Present, and Future of Commercial Maritime Nuclear Propulsion," ABA Section of Environment, Energy, and Natural Resources Nuclear Law Committee, K&L Gates, November 2025
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