| EC | Tzika | Faidra | EC | Alternate | Yes |
| Argentina | Canoba | Analia | ARN | Member | Yes |
| Australia | Kalaiziovski | Alex | ARPANSA | Member | Yes |
| Austria | Fischer | Helmut | Federal Ministry for Climate Action, Environment, Energy, Mobility, Innovation and Technology | Member | Yes |
| Bangladesh | Nahar | Meherun | BAERA | Member | Yes |
| Belarus | Astashka | Ryhor | Gosatomnadzor | Member | Yes |
| Belgium | Fremout | An | FANC | Member | Yes |
| Brazil | Salata | Camila | National Nuclear Energy Commission | Member | Yes |
| Bulgaria | Dosieva | Deyana | Nuclear Regulatory Agency | Member | Yes |
| Canada | Dodkin | Christina | CNSC | Member | Yes |
| China | Liu | Liye | China Institute for Radiation Protection | Member | Yes |
| China | Zhang | Jintao | CNNC | Member | Yes |
| Croatia | Suric Mihic | Marija | Radiological and Nuclear Safety Sector, Civil Protection Directorate, Ministry of the Interior | Member | Yes |
| C�te d'Ivoire | Niengninri | Coulibaly Suzanne | Laboratoire Central de la Police de Côte d'Ivoire | Member | No |
| Cyprus | Sakkas | Demetris | Ministry of Labour, Welfare and Social Insurance | Member | Yes |
| Czech Republic | Petrova | Karla | State Office for Nuclear Security | Member | No |
| Denmark | Hannesson | Haraldur | Danish Health Authority Radiation Protection | Member | Yes |
| Dominica | John | Isabella | Ministry of Health, Wellness and Social Services | Member | Yes |
| Finland | Bly | Ritva | Radiation and Nuclear Safety Authority (STUK) | Member | Yes |
| France | Feron | Fabien | Autorité de Sûreté Nucléaire (ASN) | Member | Yes |
| Georgia | Tvaliashvili | Vladimer | Ministry of Environmental Protection and Agriculture of Georgia | Member | Yes |
| Germany | Saha | Bejoy | Federal Ministry for the Environment, Nature Conservation, Nuclear Safety and Consumer Protection | Member | Yes |
| Ghana | Arwui | Cyrus Cyril | Nuclear Regulatory Authority, Ghana | Member | Yes |
| Greece | Carinou | Eleftheria | EEAE | Member | Yes |
| Guinea | Traore | Bangaly | Unknown | Member | Yes |
| Hungary | Csaszar | Viktoria | Hungarian Atomic Energy Authority | Member | Yes |
| Iceland | Gudjonsdottir | Jonina | Icelandic Radition Safety Authority | Member | Yes |
| India | Mahalakshmi | Sivaramakrishnan | Atomic Energy Regulatory Board | Member | Yes |
| Indonesia | Mukhlisin | Mukhlisin | Nuclear Energy Regulatory Agency | Member | Yes |
| Iran | Nazeri | Firoozeh | Iran Nuclear Regulatory Authority | Member | Yes |
| Iraq | Mohammed | Aamir | Iraq Atomic Energy Commission | Member | Yes |
| Ireland | Organo | Catherine | Environmental Protection Agency | Member | Yes |
| Israel | Haquin | Gustavo | Israel Atomic Energy Commission | Member | Yes |
| Italy | Palizzi | Eleonora | Ispettorato Nazionale per la Sicurezza Nucleare e la Radioprotezione | Member | Yes |
| Japan | Ogino | Haruyuki | NRA (Japan) | Member | Yes |
| Korea, Republic of | Lee | Jaekook | Korea Institute of Nuclear Safety (KINS) | Member | Yes |
| Latvia | Satrovska | Dace | Radiation Safety Centre State Environmental Service of Latvia | Member | Yes |
| Lebanon | Roumie | Mohamad | Lebanese Atomic Energy Commission | Member | Yes |
| Libya | Elessawi | Elkhadra | Libyan Atomic Energy Establishment | Member | Yes |
| Lithuania | Aganauskaite | Rugile | Radiation Protection Centre | Member | Yes |
| Malaysia | Awang | Siti Afidah | AELB | Member | Yes |
| Mauritania | Mohamed Zeine | Mohamed Ahmed | National Authority of Radiation Protection, Safety and Nuclear Security | Member | Yes |
| Mexico | Mario | Reyes | CNSNS | Member | Yes |
| Mongolia | Nyamdavaa | Enkhgerel | Nuclear Energy Commission of Mongolia | Member | Yes |
| Montenegro | Djurovic | Tamara | Directorate for the Environment Ministry of Ecology, Spatial Planning and Urbanism | Member | Yes |
| Morocco | El Gamoussi | Rachida | AMSSNUR | Member | Yes |
| Netherlands | van de Put | Frans | Authority for Nuclear Safety and Radiation Protection | Member | Yes |
| New Zealand | Markwitz | Andreas | Regulation and Monitoring | Member | Yes |
| Norway | Wethal | Sarah | Norwegian Radiation and Nuclear Safety Authority | Member | Yes |
| Pakistan | Shehzad | Asif | Pakistan National Regulatory Authority | Member | Yes |
| Poland | Kawa | Szymon | National Atomic Energy Agency | Member | Yes |
| Portugal | Oliveira Martins | Joao | Portuguese Environment Agency (APA) | Member | Yes |
| Romania | Preda | Stefania | National Commission for Nuclear Activities Control | Member | Yes |
| Russian Federation | Kuryndin | Anton | Scientific and Engineering Centre for Nuclear and Radiation Safety (SC NRS) | Member | Yes |
| Saudi Arabia | Alzakari | Fahad | Nuclear and Radiological Regulatory Commission | Member | Yes |
| Singapore | Su | Wendy | National Environment Agency | Member | Yes |
| Slovakia | Drabova | Veronika | Public Health Authority of the Slovak Republic | Member | Yes |
| Slovenia | Jug | Nina | Slovenian Radiation Protection Administration | Member | Yes |
| South Africa | Speelman | Wilcot | National Nuclear Regulator | Member | Yes |
| Spain | Sánchez | Marina | Nuclear Safety Council | Member | Yes |
| Sweden | Almén | Anja | Swedish Radiation Safety Authority | Member | Yes |
| Switzerland | Luescher | Roland | Swiss Federal Nuclear Safety Inspectorate | Member | Yes |
| Tajikistan | Mirsaidzoda | Ilhom | National Atomic Energy Authority | Member | Yes |
| Thailand | Kanchana | Pennapa | Office of Atoms for Peace | Member | Yes |
| Turkey | Simsekci | Utku | NRA (Turkey) | Member | Yes |
| UAE | Al Shehhi | Aayda | FANR | Member | Yes |
| Ukraine | Pavlenko | Tetiana | OM Marzeyev Institute for Hygiene and Medical Ecology National Academy of Medical Sciences of Ukraine | Member | Yes |
| United Kingdom | Thomas | Gareth | Office for Nuclear Regulation (ONR) | Member | Yes |
| USA | Williams | Kevin | NRC | Member | Yes |
| EC | Mundigl | Stefan | EC | Observer | Yes |
| ENISS | Lorenz | Bernd | ENISS | Observer | Yes |
| FAO | Blackburn | Carl | FAO | Observer | Yes |
| HERCA | Oliveira Martins | Joao | HERCA | Observer | Yes |
| ICRP | Clement | Christopher | ICRP | Observer | Yes |
| IEC | Radev | Radoslav | International Electrotechnical Commission | Observer | Yes |
| ILO | Niu | Shengli | International Labour Office (ILO) | Observer | Yes |
| IRPA | Le Guen | Bernard | EDF-DPNT Nuclear Power Operation | Observer | Yes |
| ISO | Billarand | Yann | ISO | Observer | Yes |
| ISSPA | Wassenaar | Richard | ISSPA | Observer | Yes |
| NEA | Vardulakis | George | NEA | Observer | Yes |
| PAHO | Jimenez | Pablo | PAHO | Observer | Yes |
| UNSCEAR | Batandjieva-Metcalf | Borislava | UNSCEAR | Observer | Yes |
| WHO | Shannoun | Ferid | WHO | Observer | Yes |
| WNA | Melhem | Sameh | WNA | Observer | Yes |
