It is the ultimate authority in the management structure of the project. Each Beneficiary has a representative on the Board. It is responsible for overseeing the Design Study and verifying that the Project Coordinator, the Management Team and the Executive Committee meet their obligations.
| Aysel Kayis Topaksu, Chair | University of Cukurova, Turkey |
| Maryan Bogomilov | University of Sofia, Bulgaria |
| Elian Bouquerel, DEB member | CNRS, Strasbourg, France |
| Joakim Cederkall | Lund University, Sweden |
| Håkan Danared | European Spallation Source, ESS, Lund, Sweden |
| Marcos Dracos, Project Coordinator | CNRS, Strasbourg, France |
| Ilias Efthymiopoulos, Technical Coordinator | CERN, Geneva, Switzerland |
| Tord Ekelöf, Scientific Leader | Uppsala University, Sweden |
| Georgios Fanourakis, DEB member & WP5 Co-Coordinator | NCSR ‘Demokritos’, Agia Paraskevi, Greece |
| Tsutomu Fukuda | Nagoya University, Japan |
| Budimir Kliček, Implementation Strategy Task Force Chair | Ruđer Bošković Institute, RBI, Zagreb, Croatia |
| Davide Meloni | University of Roma Tre, Italy |
| Tommy Ohlsson | KTH Royal Institute of Technology, Sweden |
| Maja Olvegård, WP4 Coordinator | Uppsala University, Sweden |
| Fabio Pupilli | Istituto Nazionale di Fisica Nucleare, INFN, Padova, Italy |
| David Saiang, WP2 Co-Coordinator | Luleå University of Technology, Sweden |
| Fernando Sordo Baldin | ESS Bilbao, Spain |
| Francesco Terranova, WP6 Coordinator | Università degli Studi di Milano-Bicocca, Italy |
| Tamer Tolba, DEB Chair & WP3 Co-Coordinator | Universität Hamburg, Germany |
| Spyros Tzamarias | Aristotelio Panepistimio Thessalonikis, AUTH, Greece |
| Carole Mabrouk, Administrative Coordinator | CNRS, Strasbourg, France |