| Odylo ABDALLA COSTA (visio) | Sorbonne Université |
| Begoña ALARCÓN COTILLAS (visio) | Universidade Federal Fluminense |
| Sebastien ALVAREZ (visio) | University of the Republic (Uruguay) |
| Abdelhamid AMROUN (visio) | Université Paris-Sud |
| Martin ANDERSSON (visio) | Universidade Federal Fluminense |
| Marie-Claude ARNAUD (visio) | Université Paris Cité |
| Mauro ARTIGIANI (visio) | Universidad del Rosario |
| Jayadev ATHREYA (visio) | University of Washington |
| Cyril BANDERIER (visio) | CNRS Université Sorbonne Paris Nord |
| Thierry BARBOT | Avignon Université |
| Pablo G. BARRIENTOS (visio) | Universidade Federal Fluminense |
| Diego BARROS (visio) | Federal University of Rio de Janeiro |
| Thomas BARTHELME (visio) | Queen's University |
| François BÉGUIN | Université Sorbonne Paris Nord |
| Pierre BERGER | CNRS IMJ - Paris Rive Gauche |
| Maria Alice BERTOLIM (visio) | Université Gustave Eiffel |
| Jamerson BEZERRA (visio) | Faculdade de Ciências da Universidade de Lisboa |
| Sébastien BIEBLER (visio) | IMJ - Paris Rive Gauche |
| Kristian BJERKLÖV (visio) | KTH Royal Institute of Technology |
| Jairo BOCHI (visio) | Pontificia Universidade Catolica de Chile |
| Doris BOHNET | University of Hochschule Konstanz |
| Christian BONATTI | CNRS Université de Bourgogne |
| Houssam BOUKHECHAM (visio) | Université Paris-Est Créteil |
| Jonathan BOWDEN | University of Regensburg |
| Aaron BROWN (visio) | Northwestern University |
| David BURGUET (visio) | CNRS Sorbonne Université |
| Sergi BURNIOL CLOTET (visio) | Sorbonne Université |
| Keith BURNS (visio) | Northwestern University |
| Jérôme BUZZI (visio) | CNRS Université Paris-Saclay & CNRS |
| Marisa CANTARINO (visio) | University of Campinas |
| Joao CARNEVALE | Université de Bourgogne |
| Pablo CARRASCO (visio) | ICEx-UFMG |
| Bernardo CARVALHO (visio) | Federal University of Minas Gerais |
| Roberto CASTORRINI (visio) | University of Pisa |
| Qinbo CHEN (visio) | KTH Royal Institute of Technology |
| Deniel CORREA (visio) | Federal University of Rio de Janeiro |
| Heric CORRÊA (visio) | Universidade Federal de Minas Gerais |
| Emilio CORSO (visio) | ETH Zürich |
| Sylvain CROVISIER | CNRS Université Paris-Saclay |
| Inti CRUZ DIAZ (visio) | Université de Bourgogne |
| Danijela DAMJANOVIC (visio) | KTH Royal Institute of Technology |
| Pierre DEHORNOY | Aix-Marseille Université |
| Arnaud DEHOVE (visio) | IMJ_PRG |
| Joaquin DELGADO (visio) | Departamento de Matemáticas, Universida |
| Lorenzo J. DIAZ (visio) | Pontifícia Universidade Católica do Ri |
| Margaret DOUCETTE (visio) | University of Chicago |
| Romain DUJARDIN (visio) | Sorbonne Université |
| Alena ERCHENKO (visio) | University of Chicago |
| Peyman ESLAMI (visio) | University of Roma Tor Vergata |
| Quentin FAES (visio) | Institut Mathématiques de Bourgogne |
| Abbas FAKHARI (visio) | Shahid Beheshti University |
| Shizan FANG (visio) | Université de Bourgogne |
| Charles FAVRE (visio) | CNRS École polytechnique |
| Bassam FAYAD (visio) | CNRS IMJ - Paris Rive Gauche |
| Todd FISHER (visio) | Brigham Young University |
| Livio FLAMINIO (visio) | Université Lille 1 |
| Marguerite FLEXOR (visio) | Univ. Paris Sud |
| Anna FLORIO | Université Paris Dauphine-PSL |
| Patrick FOULON | CNRS Aix-Marseille Université |
| Shaobo GAN (visio) | Peking University |
| Katrin GELFERT (visio) | Federal University of Rio de Janeiro |
| Selim GHAZOUANI | Université d'Orsay |
| Andrey GOGOLEV (visio) | Ohio State University |
| Bryce GOLLOBIT (visio) | City University of New York Graduate Cen |
| Xavier GOMEZ-MONT (visio) | CIMAT |
| Anton GORODETSKI (visio) | University of California Irvine |
| Nicolas GOURMELON | Université Bordeaux 1 |
| Viacheslav GRINES (visio) | HSE Nizhnii Novgrod |
| Jérôme GUÉRIZEC (visio) | Université de Nantes |
| Pierre-Antoine GUIHÉNEUF | Sorbonne Université |
| Andy HAMMERLINDL (visio) | Monash University |
| Maisam HEDYEHLOO (visio) | IPM - Institute for Research in Fundamen |
| Vanderlei HORITA (visio) | UNESP - Sao Paulo State Univ. |
| Steven HURDER (visio) | University of Illinois at Chicago |
| Ioannis IAKOVOGLOU | Université de Bourgogne |
| Yuri KI (visio) | UFF |
| Niloofar KIAMARI (visio) | Loughborough University |
| Victor KLEPTSYN | CNRS Université de Rennes |
| Benoît KLOECKNER (visio) | Université Paris-Est Créteil |
| Axel KODAT (visio) | City University of New York |
| Dominik KWIETNIAK (visio) | Jagiellonian University in Krakow |
| Rémi LANGEVIN | Université de Bourgogne |
| Patrice LE CALVEZ (visio) | Institut de Mathématiques de Jussieu |
| Frédéric LE ROUX | Sorbonne Université |
| François LEDRAPPIER (visio) | CNRS Sorbonne Université |
| Martin LEGUIL | Université de Picardie Jules Verne |
| Renaud LEPLAIDEUR (visio) | Université de la Nouvelle Calédonie |
| Ming LI (visio) | Nankai University |
| Olga LUKINA (visio) | University of Vienna |
| Stefano LUZZATTO (visio) | ICTP. Trieste |
| Alba Marina MALAGA SABOGAL (visio) | Université de Lorraine |
| Amadeus MALDONADO (visio) | Instituto de Matemática Pura e Aplicada |
| Elaís MALHEIRO (visio) | Universidade Federal da Bahia |
| Edhin MAMANI CASTILLO (visio) | PONTHIFICAL CATOLIC UNIVERSITY OF RIO DE |
| Kathryn MANN (visio) | Cornell University |
| Matheus MANSO DEL VALLE (visio) | Instituto de Matemática Pura e Aplicada |
| Karina MARIN (visio) | Federal University of Minas Gerais |
| Santiago MARTINCHICH (visio) | University of the Republic (Uruguay) |
| Matilde MARTINEZ (visio) | University of the Republic (Uruguay) |
| Théo MARTY | Max Planck Institute for Mathematics Bonn |
| Gwénaël MASSUYEAU (visio) | Université de Bourgogne |
| Jose Victor MEDEIROS (visio) | Federal university of Rio Grande do Nort |
| Glenn MERLET (visio) | Aix-Marseille Université |
| Daniel MITSUTANI (visio) | The University of Chicago |
| Reza MOHAMMADPOUR (visio) | Uppsala University |
| Lucy MOSER-JAUSLIN (visio) | Université de Bourgogne |
| Meysam NASSIRI (visio) | IPM of Tehran |
| Andrés NAVAS (visio) | University of Santiago, Chile |
| Sheldon NEWHOUSE (visio) | Michigan State University |
| Thang NGUYEN (visio) | University of Michigan |
| Isaia NISOLI (visio) | UFRJ - Rio de Janeiro |
| Davi OBATA (visio) | University of Chicago |
| Maria José PACIFICO (visio) | Federal University of Rio de Janeiro |
| Luis PARIS (visio) | Université de Bourgogne |
| Olga PARIS-ROMASKEVICH | CNRS Université Claude Bernard Lyon 1 |
| Neige PAULET | Université Sorbonne Paris Nord |
| Vincent PECASTAING (visio) | Université Côte d'Azur |
| Samuel PETITE (visio) | Université de Picardie Jules Verne |
| Boris PETKOVIC (visio) | Royal Institute of Technology Stockholm |
| Luis PIÑEYRÚA (visio) | Universidad de la República |
| Tali PINSKY (visio) | Technion-Israel Institute of Technology |
| Olga POCHINKA (visio) | High School of Economics |
| Mauricio POLETTI (visio) | Universidade Federal do Ceará |
| Raquel PORTELA (visio) | UNIVERSIDADE DE SAO PAULO |
| Rafael POTRIE (visio) | University of the Republic, Montévidéo |
| Charles PUGH (visio) | University of California at Berkeley |
| Enrique PUJALS (visio) | Graduate center cuny |
| Artem RAIBEKAS (visio) | Universidade Federal Fluminense (UFF) |
| Hesameddin RAJABZADEHESTAHBANATI (visio) | IPM Tehran |
| Navid RAZAVI (visio) | Tarbiat Modares University |
| Ana RECHTMAN | Université Grenoble Alpes |
| Bernhard REINKE | Aix-Marseille Université |
| Zahra RESHADAT (visio) | Institute For Research In Fundamental Sc |
| Ludovic RIFFORD (visio) | Université Côte d'Azur |
| Jana RODRIGUEZ HERTZ (visio) | Southern University of Science and Technology |
| César David ROMERO MORA (visio) | Université Paris-Dauphine-PSL |
| Harold ROSENBERG (visio) | retired |
| Radu SAGHIN (visio) | PUC - Valparaiso |
| Graccyela SALCEDO (visio) | Federal university of Rio de Janeiro |
| Éliane SALEM (visio) | Sorbonne Université |
| Luciana SALGADO (visio) | Universidade Federal do Rio de Janeiro |
| Shrey SANADHYA (visio) | Hebrew University of Jerusalem |
| Adriana Cristina SANCHEZ CHAVARRIA (visio) | Universidad de Costa Rica |
| Sven SANDFELDT (visio) | Royal institute of technology Stockholm |
| Jimmy SANTAMARIA (visio) | Universidad Mayor de San Andrés |
| Bruno SANTIAGO (visio) | Fluminense Federal University |
| Maria SAPRYKINA (visio) | KTH Royal Institute of Technology |
| Barbara SCHAPIRA | Université de Montpellier |
| Mario SHANNON | Université d Aix-Marseille |
| Yi SHI (visio) | Peking University |
| Katsutoshi SHINOHARA (visio) | Hitotsubashi University |
| Laurent SIEBENMANN (visio) | CNRS IMO, Universite-Paris-Saclay, France |
| Jaqueline SIQUEIRA (visio) | Federal University of Rio de Janeiro |
| Daniel SMANIA (visio) | ICMC-USP |
| Alfonso SORRENTINO (visio) | University of Rome Tor Vergata |
| Laurent STOLOVITCH (visio) | CNRS Université Côte d'Azur |
| Johan TAFLIN (visio) | Université de Bourgogne |
| Ali TAHZIBI (visio) | Universidade de São Paulo |
| Aminosadat TALEBI (visio) | Institute for research in fundamental sciences (IPM) |
| Laura TEDESCHINI LALLI (visio) | Universita Roma Tre |
| Damien THOMINE (visio) | Université Paris-Saclay |
| Julien TREVISAN (visio) | IMJ-PRG |
| Michele TRIESTINO | Université de Bourgogne |
| Jimmy TSENG (visio) | University of Exeter |
| Raul URES (visio) | Southern University of Science and Technology |
| Gioia M. VAGO | Université de Bourgogne |
| Paulo VARANDAS (visio) | Federal University of Bahia & CMUP |
| Régis VARÃO (visio) | UNICAMP |
| Carlos H. VASQUEZ (visio) | PUCV |
| Marcelo VIANA (visio) | IMPA |
| . VIDEOS | . |
| José VIEITEZ (visio) | University of Republica Urugay |
| Thao Thuan VU HO (visio) | University of Milan-Bicocca |
| Lan WEN (visio) | Peking University |
| Amie WILKINSON (visio) | University of Chicago |
| Hui XIAO (visio) | Universität Hildesheim |
| Dawei YANG (visio) | Soochow University |
| Jiagang YANG (visio) | Fluminense Federal University |
| Bin YU (visio) | Tongji University |
| Jinhua ZHANG (visio) | Beihang University |
| Zhiyuan ZHANG | CNRS Université Sorbonne Paris Nord |
| Zhiyan ZHAO (visio) | Université Nice Sophia Antipolis |
| Anton ZORICH (visio) | Université Paris Cité |