| Claudio AGOSTINI | University of Turin |
| Alessandro ANDRETTA (visio) | Università di Torino |
| Carolin ANTOS-KUBY (visio) | University of Konstanz |
| Arthur APTER (visio) | City University of New York, Baruch College and the Graduate Center |
| David ASPERO | University of East Anglia |
| Ömer Faruk BAG (visio) | University of Vienna |
| Joan BAGARIA | University of Barcelona |
| Omer BEN-NERIA (visio) | The Hebrew University of Jerusalem |
| Jeffrey BERGFALK (visio) | University of Barcelona |
| Andreas BLASS (visio) | University of Michigan |
| Piotr BORODULIN-NADZIEJA | University of Wrocław |
| Joerg BRENDLE (visio) | Kobe University |
| Andrew BROOKE-TAYLOR (visio) | University of Leeds |
| Filippo CALDERONI (visio) | Rutgers University |
| Fabien CARBO-GIL | Aix-Marseille Université |
| Raphaël CARROY | University of Turin |
| David CHODOUNSKÝ | Charles University |
| Clinton CONLEY (visio) | Carnegie Mellon University |
| James CUMMINGS (visio) | Carnegie Mellon University |
| Ben DE BONDT | Université Paris Cité |
| Mauro DI NASSO | University of Pisa |
| Vincenzo DIMONTE (visio) | University of Udine |
| Natasha DOBRINEN (visio) | University of Notre Dame |
| Mirna DZAMONJA | Université Paris Cité |
| Márton ELEKES (visio) | Alfréd Rényi Institute of Mathematics |
| Monroe ESKEW (visio) | University of Vienna |
| Ilijas FARAH (visio) | York University |
| Azul Lihuen FATALINI | University of Münster |
| Vera FISCHER (visio) | University of Vienna |
| Laura FONTANELLA (visio) | Université Paris Est Créteil |
| Matthew FOREMAN | University of California, Irvine |
| Sy-David FRIEDMAN (visio) | KGRC, U Wien |
| Sakaé FUCHINO (visio) | Kobe University |
| Gunter FUCHS (visio) | The City University of New York |
| Su GAO (visio) | University of North Texas |
| Moti GITIK (visio) | Tel Aviv University |
| Victoria GITMAN (visio) | City University of New York |
| Michał Tomasz GODZISZEWSKI | University of Łódź |
| Gabriel GOLDBERG | UC Berkeley |
| Martin GOLDSTERN (visio) | TU Wien |
| Mohammad GOLSHANI (visio) | IPM Tehran |
| Joel David HAMKINS (visio) | University of Notre Dame |
| Peter HOLY (visio) | University of Udine |
| Radek HONZIK (visio) | Charles University |
| Michael HRUSAK (visio) | National Autonomous University of Mexico |
| Jan HUBIČKA | Charles University of Prague |
| Chandrashekhar Tanmay INAMDAR (visio) | Ben-Gurion University of the Negev |
| Istvan JUHASZ (visio) | MTA Rényi Institute |
| Obrad KASUM (visio) | Université de Paris |
| Jakob KELLNER (visio) | TU Wien |
| Juliette KENNEDY (visio) | University of Helsinki |
| Fawad KHAN (visio) | Abdul Wali Khan University Mardan KPK Pa |
| Siiri KIVIMÄKI | University of Helsinki |
| Peter KOEPKE (visio) | University of Bonn |
| John KRUEGER (visio) | University of North Texas |
| Jan KRUSCHEWSKI | University of Münster |
| Wieslaw KUBIS | Czech Academy of Sciences |
| Aleksandra KWIATKOWSKA (visio) | University of Münster |
| Philipp LÜCKE (visio) | University of Barcelona |
| Paul LARSON (visio) | Miami University |
| Dominique LECOMTE | Sorbonne Université |
| Andreas LIETZ | Vienna University of Technology |
| Menachem MAGIDOR (visio) | Hebrew University of Jerusalem |
| Andrew MARKS (visio) | University of Califonia, Los Angeles |
| Pierre MATET | Université de Caen Normandie |
| Adrian MATHIAS (visio) | Université de la Réunion |
| Severin MEJAK | University of Copenhagen |
| Diego A. MEJIA (visio) | Shizuoka University |
| Julien MELLERAY (visio) | Université Claude Bernard Lyon 1 |
| Heike MILDENBERGER (visio) | University of Freiburg |
| Rahman MOHAMMADPOUR | Technical University of Vienna |
| Diana Carolina MONTOYA AMAYA (visio) | Vienna University of Technology |
| Justin MOORE (visio) | Cornell University |
| Miguel MORENO | University of Helsinki |
| Luca MOTTO ROS | University of Turin |
| Sandra MUELLER (visio) | Vienna University of Technology |
| Itay NEEMAN (visio) | UCLA |
| Lionel NGUYEN VAN THE | Aix-Marseille Université |
| Gianluca PAOLINI | University of Turin |
| Francesco PARENTE | Università di Torino |
| Moreno PIEROBON (visio) | University of Pisa |
| Alejandro POVEDA (visio) | Hebrew University of Jerusalem |
| Dilip RAGHAVAN (visio) | National University of Singapore |
| Otto RAJALA | University of Helsinki |
| Assaf RINOT (visio) | Bar-Ilan University |
| Christian ROSENDAL (visio) | University of Maryland |
| Tapio SAARINEN | University of Helsinki |
| Marcin SABOK | McGill University |
| Hiroshi SAKAI (visio) | Kobe University |
| Juan Manuel SANTIAGO SUÁREZ | Université Paris Cité |
| Grigor SARGSYAN (visio) | Polish Academy of Sciences |
| Johannes SCHÜRZ (visio) | Technical University of Vienna |
| Lukas SCHEMBECKER (visio) | University of Vienna |
| Ralf SCHINDLER | University of Münster |
| Philipp SCHLICHT | University of Bristol |
| Roy SHALEV (visio) | Bar Ilan University |
| Dima SINAPOVA (visio) | Rutgers University |
| Slawomir SOLECKI (visio) | Cornell University |
| Lajos SOUKUP (visio) | Hungarian Academy of Sciences |
| Xiuyuan SUN (visio) | University of Muenster |
| Corey SWITZER (visio) | University of Vienna |
| Stevo TODORCEVIC (visio) | CNRS Institut de Mathématiques de Jussieu - Paris Rive Gauche |
| Nam TRANG (visio) | University of North Texas |
| Toshimichi USUBA (visio) | Waseda University |
| Jouko VAANANEN | University of Helsinki |
| Andrea VACCARO | Université de Paris |
| Boban VELICKOVIC | Université de Paris |
| Giorgio VENTURI | University of Pisa |
| Matteo VIALE | University of Turin |
| . VIDEOS | . |
| Zoltan VIDNYANSZKY (visio) | Eotvos Lorand University |
| Alessandro VIGNATI | Université Paris Cité |
| Thilo WEINERT | University of Vienna |
| Philip WELCH (visio) | University of Bristol |
| Wolfgang WOHOFSKY (visio) | University of Vienna |
| Zhixing YOU (visio) | Chinese Academy of Sciences and Universi |
| Jindrich ZAPLETAL (visio) | University of Florida |
| Martin ZEMAN (visio) | University of California Irvine |
| Andy ZUCKER (visio) | UCSD |