| Dan Abramovich | Brown University |
| Josep Alvarez Montaner (visio) | Polytechnic University of Catalonia |
| MichaÅ‚ ÅupiÅ„ski (visio) | University of Warsaw |
| Andrei Barbuta (visio) | University of Cambridge |
| André Belotto Da Silva (visio) | Université Paris Cité |
| Angélica Benito (visio) | UAM Madrid |
| Marta Benozzo (visio) | University College London |
| Jakob Bergqvist (visio) | Heinrich Heine Universität Düsseldorf |
| Bhargav Bhatt (visio) | University of Michigan |
| Edward Bierstone (visio) | University of Toronto |
| Manuel Blickle (visio) | JGU Mainz |
| Dorin Boger (visio) | - |
| Ana Bravo (visio) | Autonomous University of Madrid |
| Holger Brenner (visio) | University of Osnabrueck |
| Stefano Canino (visio) | Politecnico di Torino |
| Javier Carvajal-Rojas | Catholic University of Leuven |
| Pierrette Cassou-Nogues (visio) | Université de Bordeaux |
| Kestutis Cesnavicius | CNRS Université Paris-Sud |
| Christopher Chiu (visio) | Universität Wien |
| Victor Correc (visio) | Université de Rennes 1 |
| Vincent Cossart | Université de Versailles - St Quentin-en-Yvelines |
| Dale Cutkosky (visio) | University of Missouri |
| Rankeya Datta (visio) | University of Illinois at Chicago |
| Tommaso De Fernex (visio) | University of Utah |
| Celia Del Buey De Andrés (visio) | Autonomous University of Madrid |
| Roi Docampo (visio) | University of Oklahoma |
| Santiago Encinas (visio) | University of Valladolid |
| Daniel Erman (visio) | University of Wisconsin-Madison |
| Erroxe Etxabarri Alberdi (visio) | Loughborough University |
| Eleonore Faber (visio) | University of Graz |
| Charles Favre (visio) | CNRS École polytechnique |
| Anne Fayolle | The University of Utah |
| Alberto Fernandez Boix (visio) | Universidad de Valladolid |
| Anne Frühbis-Krüger | University of Oldenburg |
| Evelia R. García Barroso (visio) | University of La Laguna |
| Victor González Alonso (visio) | Humboldt-Universität zu Berlin |
| Pedro D. Gonzalez Perez (visio) | Complutense University of Madrid |
| Herwig Hauser (visio) | Universität Wien |
| Jeroen Hekking (visio) | University of Regensburg |
| Mel Hochster (visio) | University of Michigan |
| Shihoko Ishii (visio) | University of Tokyo |
| Seung-Jo Jung (visio) | Jeonbuk National University |
| Hiraku Kawanoue (visio) | Kyoto University |
| Dmitry Kerner (visio) | Ben-Gurion University of the Negev |
| Janos Kollar (visio) | Princeton University |
| Vanishree Krishna Kirekod (visio) | Technical University Kaiserslautern |
| Franz-Viktor Kuhlmann | University of Szczecin |
| Katarzyna Kuhlmann | University of Szczecin |
| Arnab Kundu (visio) | Université Paris-Saclay |
| Kevin Langlois (visio) | Universidade Federal do Ceará (UFC) |
| Alessandro Linzi (visio) | University of Szczecin |
| Ignacio Luengo (visio) | Complutense University of Madrid |
| Linquan Ma (visio) | Purdue University |
| Jeetendrasingh Maan (visio) | Indian Institute of Technology (ISM) Dha |
| Joshua Maglione (visio) | University Bielefeld |
| Devlin Mallory (visio) | University of Utah |
| Daniel Mamo (visio) | Addis Ababa University |
| Andres Martinez Servellon (visio) | University of Michigan |
| Tanuj Mathur (visio) | IISER Pune |
| Simon May (visio) | University of Leeds |
| Hana Melánová (visio) | University of Vienna |
| Claudia Miller (visio) | Syracuse University |
| Hussein Mourtada | Université Paris Cité |
| Alapan Mukhopadhyay (visio) | École Polytechnique Fédérale de Lausanne |
| Takumi Murayama (visio) | Princeton University |
| Luis Narváez Macarro (visio) | University of Sevilla |
| Josnei Novacoski (visio) | Universidade Federal de São Carlos |
| Luis Nunez-Betancourt (visio) | CIMAT, Laudun |
| Janet Page | North Dakota State University |
| Swaraj Pande (visio) | University of Michigan |
| Shravan Patankar (visio) | University of Illinois at Chicago |
| Ragni Piene (visio) | University of Oslo |
| Olivier Piltant (visio) | CNRS Université de Versailles (UVSQ) |
| Ming Hao Quek (visio) | Brown University |
| Eamon Quinlan-Gallego (visio) | University of Utah |
| Ana Reguera (visio) | University of Valladolid |
| Marko Roczen (visio) | Humboldt University, Berlin |
| Alejandro Rodriguez Matta (visio) | Universidad Nacional Autónoma de Méxic |
| Guillaume Rond | Aix-Marseille Université |
| David Rydh (visio) | Royal Institute of Technology |
| Anna Rzepka (visio) | University of Silesia in Katowice |
| Bernd Schober | University of Oldenburg |
| Karl Schwede (visio) | University of Utah |
| Mykola Shamaiev (visio) | Catholic University of Leuven |
| Amith Shastri Kallaje (visio) | Chennai Mathematical Institute |
| Anurag Singh (visio) | University of Utah |
| Jyoti Singh (visio) | Visvesvaraya National Institute of Techn |
| Ilya Smirnov (visio) | Ikerbasque Basque Fondation for Science |
| Karen E. Smith (visio) | University of Michigan |
| Daniel Smolkin (visio) | University of Michigan |
| Mark Spivakovsky | CNRS Université Toulouse III - Paul Sabatier |
| Tanya Kaushal Srivastava (visio) | Chennai Mathematical Institute |
| Axel Stäbler (visio) | Leipzig University |
| Claudia Stadlmayr (visio) | TUM Munich |
| Diego Sulca (visio) | Universidad Nacional de Córdoba |
| Bernard Teissier (visio) | CNRS Université Paris Cité |
| Michael Temkin | Hebrew University of Jerusalem |
| María De La Paz Tirado Hernández (visio) | Universidad de Sevilla |
| Lewis Topley (visio) | University of Bath |
| Kevin Tucker (visio) | University of Illinois at Chicago |
| Daniele Turchetti (visio) | University of Durham |
| Michel Vaquié | CNRS Université Toulouse III - Paul Sabatier |
| Sridhar Venkatesh (visio) | University of Michigan |
| . Videos | . |
| Pascale Voegtli (visio) | Brunel University |
| Christopher Voll (visio) | Bielefeld University |
| Art Waeterschoot (visio) | Catholic University of Leuven |
| Joe Waldron (visio) | Michigan State University |
| Uli Walther (visio) | Purdue University |
| Emily Witt (visio) | University of Kansas |
| Jaroslaw Wlodarczyk | Purdue University of Indiana |
| Runlei Xiao (visio) | Université Côte d'Azur |
| Santiago Zarzuela | University of Barcelona |
| Shaowu Zhang (visio) | University of Paris Saclay |