| Chairperson | Takayuki Sasaki | Professor, Kyoto University, Graduate School of Engineering, Department of Nuclear Engineering | 
                    
                      | Committee | Tetsuro Hirono | Professor, Osaka Metropolitan University, Graduate School of Science Department of Geosciences | 
                    
                      | Hiroyuki Inoue | Associate Professor, Osaka Metropolitan University, Graduate School of Engineering, Division of Science and Engineering for Materials, Chemistry and Biology | 
                    
                      | Akira Kirishima | Professor, Tohoku University, Graduate School of Engineering, Energy Resources and Processing | 
                    
                      | Taishi Kobayashi | Associate Professor, Kyoto University, Graduate School of Engineering, Department of Nuclear Engineering | 
                    
                      | Tomofumi Koyama | Professor, Kansai University, Faculty of Societal Safety Sciences | 
                    
                      | Kenichiro Nakarai | Professor, Hiroshima University, Graduate School of Advanced Science and Engineering, Civil and Environmental Engineering Program | 
                    
                      | Takumi Saito | Professor, The University of Tokyo, School of Engineering, Nuclear Professional School | 
                    
                      | Tsutomu Sato | Professor, Hokkaido University, Graduate School of Engineering, Division of Sustainable Resources Engineering | 
                    
                      | Yukio Tachi | Director, JAEA (Japan Atomic Energy Agency), Horonobe Underground Research Center, Horonobe Underground Research Department | 
                    
                      | Keiko Tagami | Group leader, National Institutes for Quantum Science and Technology, Quantum Medical Science Directorate | 
                    
                      | Koji Umeda | Professor, Hirosaki University, Graduate School of Science and Technology | 
                    
                      | Hiroshi Abe | Associate Professor, Tohoku University, Graduate School of Engineering, Department of Quantum Science and Energy Engineering | 
                  
                  
                    
                      | Vice Chairperson | Ian McKinley | McKinley Consulting, Executive Consultant | 
                    
                      | Committee | Chris Boyle | NWMO,Vice-President and Chief Engineer | 
                    
                      | Irina Gaus | NAGRA, Division Head Optimisation | 
                    
                      | Neil Hyatt | NWS, Chief Scientific Adviser | 
                    
                      | Haeryong Jung | KORAD, Director of HLW Management | 
                    
                      | Magnus Odén | SKB, Head of Site Descriptive Modelling | 
                    
                      | Sylvie Voinis | ANDRA, Deputy Director of Safety, Environment and Waste Management Strategy Division (DISEF) and General Inspector | 
                    
                      | Erik K. Webb | Sandia National Laboratories, Geoscience Research and Applications, Senior Manager |