| Giovanni ACQUAVIVA | Charles University in Prague |
| Timothy ADAMO | Imperial College London |
| Sergey ALEXANDROV | CNRS Université de Montpellier |
| Lautaro AMADEI | Centre de Physique Théorique |
| Jiří ČERNÝ | Charles University in Prague |
| Bernardo ARANEDA | National University of Córdoba |
| Abhay ASHTEKAR | Penn State University |
| Ghofrane BEL HADJ AISSA | Aix-Marseille Université |
| Eugenio BIANCHI | Pennsylvania State University |
| Roland BITTLESTON | University of Cambridge |
| Ali BLEYBEL | Lebanese University |
| Dirk BOUWMEESTER | UC Santa Barbara |
| Peter CAMERON | University of Cambridge |
| Qian CHEN | ENS Lyon |
| Jan Willem DALHUISEN | University of Leiden |
| Elena DE PAOLI | University of Roma Tre, CPT Aix-Marseill |
| Andrea DI BIAGIO | Perimeter Institute |
| Bianca DITTRICH | Perimeter Institute for Theoretical Physics Canada |
| Pietro DONA | Pennsylvania State University |
| Maciej DUNAJSKI | University of Cambridge |
| Maïté DUPUIS | Perimeter Institute for Theoretical Physics , Waterloo |
| Michael EASTWOOD | University of Adelaide |
| Marco FANIZZA | University of Barcelona |
| Jordan FRANÇOIS | University of Mons |
| Hadleigh FROST | University of Oxford |
| Yoshihiro FUKUMOTO | Ritsumeikan University |
| Florian GIRELLI | University of Waterloo |
| Christophe GOELLER | LMU |
| Matteo GORI | Aix-Marseille Université |
| A. Rod GOVER | University of Auckland |
| Mehmet Asim GUMUS | Abdus Salam ICTP Trieste |
| Jan GUTOWSKI | University of Surrey |
| Efe HAMAMCI | Bogazici University |
| Yannick HERFRAY | Université Libre de Bruxelles |
| Stephen HUGGETT | University of Plymouth |
| Lane HUGHSTON | Goldsmiths College, University of London |
| Maciej KOLANOWSKI | University of Warsaw |
| Kei-Ichi KONDO | Chiba University |
| Jerzy KOWALSKI GLIKMAN | University of Wrocław |
| Thomas KRAJEWSKI | Aix-Marseille Université |
| Kirill KRASNOV | University of Nottingham |
| Miklos LÅNGVIK | Åshöjdens grundskola School Finland |
| Serge LAZZARINI | Aix-Marseille Université CPT |
| Jerzy LEWANDOWSKI | University of Warsaw |
| Hongguang LIU | Aix-Marseille Université |
| Jerzy LUKIERSKI | University of Wrocław |
| Pierre MARTIN-DUSSAUD | Penn State University |
| Pierre MARTINETTI | University of Genoa |
| Lionel MASON | University of Oxford |
| Thierry MASSON | CNRS Aix-Marseille Université |
| Lee MCCULLOCH-JAMES | British School of Valencia |
| Noureddine MEBARKI | Mentouri University |
| Thomas METTLER | Goethe University Frankfurt |
| Dana MIHAI | Carnegie Mellon University |
| Jan NOVÁK | Technical University of Liberec |
| Roger PENROSE | University of Oxford |
| Alejandro PEREZ | Aix-Marseille Université - CPT |
| Francesco PISANI | Università di Pisa |
| Prim PLANSANGKATE | Prince of Songkla University |
| Tijana RADENKOVIC | University of Belgrade |
| Carlo ROVELLI | Aix-Marseille Université |
| Giorgio SARNO | Aix-Marseille Université |
| Martin SCHOLTZ | Charles University in Prague |
| Yassine SEKHMANI | Mohamed V university |
| Devashish SINGH | University of Genoa |
| George SPARLING | University of Pittsburgh |
| Simone SPEZIALE | CNRS Aix-Marseille Université |
| Joe SWEARNGIN | University of California |
| Arman TAGHAVI CHABERT | American University of Beirut |
| Francesca VIDOTTO | The University of Western Ontario |
| Marko VOJINOVIC | Institute of Physics Belgrade |
| Wolfgang WIELAND | Perimeter Institute for Theoretical Physics Canada |