Restricted ECFA Composition
| Chair | Prof. Paris Sphicas | Appointed Jan. 2024 |
| Secretary | Dr Lidija Zivkovic | Appointed July 2024 |
| Members | ||
| Austria | Dr Thomas Bergauer | Appointed Jan. 2024 |
| Belgium | Prof. Barbara Clerbaux | Appointed Jan. 2026 |
| Bulgaria | Prof. Mariyan Bogomilov | Appointed July 2022 |
| Croatia | Dr Dinko Ferencek | Appointed July 2024 |
| Cyprus | Prof. Panos Razis | Appointed Oct. 2017 |
| Czech Republic | Dr Zdenek Hubacek | Appointed Jan. 2025 |
| Denmark | Prof. Ian Bearden | Appointed Jan. 2026 |
| Finland | Prof. Panja Luukka | Appointed Jan. 2024 |
| France | Dr Gregorio Bernardi | Appointed Jan. 2023 |
| Germany | Prof. Heiko Lacker | Appointed July 2021 |
| Greece | Prof. Dimitrios Sampsonidis | Appointed Jan. 2024 |
| Hungary | Dr Ferenc Siklér | Appointed Jan. 2021 |
| Italy | Dr Sandra Malvezzi | Appointed Jan. 2024 |
| Israel | Prof. Eilam Gross | Appointed Jan. 2018 |
| Latvia | Dr Kārlis Dreimanis | Appointed Jan. 2026 |
| Lithuania | Prof. Grazina Tautvaisiene | Appointed Jan. 2025 |
| Netherlands | Dr Rosemarie Aben | Appointed Jan. 2026 |
| Norway | Prof. Farid Ould-Saada | Appointed Jan. 2024 |
| Poland | Prof. Justyna Łagoda | Appointed Jan. 2021 |
| Portugal | Prof. Patricia Conde Muino | Appointed July 2020 |
| Romania | Dr Gabriel Stoicea | Appointed Jan. 2022 |
| Serbia | Prof. Lidija Zivkovic | Appointed Jan. 2022 |
| Slovakia | Dr Pavol Stríženec | Appointed May 2016 |
| Slovenia | Prof. Marko Mikuž | Appointed July 2018 |
| Spain | Prof. Celso Martinez Rivero | Appointed Jan. 2021 |
| Sweden | Prof. Arnaud Ferrari | Appointed July 2023 |
| Switzerland | Prof. Rainer Wallny | Appointed Jan. 2024 |
| Türkiye | Prof. Erkcan Özcan | Appointed Jan. 2022 |
| United-Kingdom | Prof. Daniela Bortoletto | Appointed July 2022 |
| Ukraine | Dr Igor Kyryllin | Appointed July 2024 |
| CERN | Dr Richard Hawkings | Appointed Jan. 2024 |
| Ex-Officio Members | ||
| CERN | Prof. Mark Thomson Prof.Gautier Hamel de Monchenault | Appointed Jan. 2026 Appointed Jan. 2026 |
| LDG | Prof. Mike Seidel | Appointed Jan. 2025 |
| Observers | ||
| EPS-HEPP Board Chair | Prof. Geraldine Servant | Appointed Aug. 2025 |
| ApPEC Chair | Dr Carlos Pena Garay | Appointed Jan. 2025 |
| NuPECC Chair | Prof. Eberhard Widmann | Appointed Dec. 2024 |
| NuPECC Deputy Chair | Dr Barbara Erazmus | Appointed Dec. 2024 |
| Early Career Researchers (ECR) | Dr Bruno Alves | Appointed Jan. 2025 |