| Arseniy Akopyan (visio) | - |
| Amal Al Dowais (visio) | The University of Western Australia |
| Peter Albers (visio) | Heidelberg University |
| Milagros Anculli Llamoca (visio) | University of Sao Paulo |
| Maxim Arnold (visio) | University of Texas at Dallas |
| Mauro Artigiani (visio) | Universidad del Rosario |
| Mohamed Amine Bahayou (visio) | Université Kasdi Merbah, Algérie |
| Alexey Balitskiy | Institute for Advanced Studyn of New Jersey |
| Stefano Baranzini (visio) | SISSA |
| Filipe Bellio Da Nobrega | École Normale Supérieure de Lyon |
| Gabriele Benedetti (visio) | Free University of Amsterdam |
| Mark Berezovik (visio) | MIPT, Moscow |
| Michael Berry (visio) | University of Bristol |
| Andrzej BiÅ› (visio) | University of Lodz, Poland |
| Michael Bialy | University of TelAviv |
| Sergei Bolotin | Steklov Institute of Mathematics, Moscow |
| Gil Bor | Mathematics Research Centre, Guanajato |
| Victor Buchstaber (visio) | Steklov Mathematical Institute |
| Leonid Bunimovich (visio) | Georgia Institute of Technology |
| Andrew Clarke | Polytechnic University of Catalonia |
| Diana Davis | Phillips Exeter Academy |
| Roberto De Leo (visio) | Howard University |
| Kostiantyn Drach (visio) | IST Austria |
| Vladimir Dragovic | UT Dallas / MI SANU Serbia |
| Dmitry Faifman | Tel Aviv University |
| Cláudia Ferreira (visio) | Universidade Federal de Minas Gerais |
| Corentin Fierobe | Institute of Science and Technology of Sheffield |
| Sean Gasiorek (visio) | University of Sydney |
| Alexey Glutsyuk | CNRS CNRS, ENS de Lyon, ISC J.-V.Poncelet; HSE University (Moscow) |
| Ram Shankar Gupta (visio) | Guru Gobind Sing Indraprastha University |
| Loreno Heer (visio) | University of Zurich |
| Ivan Izmestiev | TU Vienna |
| Anton Izosimov (visio) | University of Arizona |
| Connor Jackman | CIMAT |
| Bozidar Jovanovic (visio) | Mathematical Institute of the Serbian Ac |
| K Kailash (visio) | IITM |
| Vadim Kaloshin (visio) | University of Maryland & IST Austria |
| Ghizlane Kettani | Collège de France Louis Bachelier |
| Ilya Kossovskiy (visio) | TU Wien |
| Colman Edmond Koudjinan | Institute of Sciences and Technology Austria |
| Vitaly Kuznetsov (visio) | MIPT |
| Christian Lange (visio) | University of Munich |
| Dylan Jacob Langharst | Kent State University, Ohio |
| Samuel Lelièvre | Université Paris-Sud |
| Mark Levi | Penn State University |
| Xiaobin Li (visio) | Southwest Jiaotong University |
| Zhiqin Lu (visio) | UC Irvine |
| Robert Mackay (visio) | University of Warwick |
| Ezquiel Maderna | NDSU Department of Mathematics |
| Levin Maier | Heidelberg University |
| Alba Marina Malaga Sabogal (visio) | Université de Lorraine |
| Léo Mathis (visio) | University of Frankfurt |
| Vladimir Matveev | University of Jena |
| Marco Mazzucchelli (visio) | CNRS ENS de Lyon |
| Andrey Mironov (visio) | Sobolev Institute of Mathematics, Novosibirsk |
| Richard Montgomery (visio) | UC Santa Cruz |
| Sylvie Oliffson Kamphorst (visio) | Universidade Federal de Minas Gerais |
| Nabil Ourimi (visio) | King Saud university |
| Olga Paris-Romaskevich | CNRS Université Claude Bernard Lyon 1 |
| Rafael Pereira (visio) | Federal University of Minas Gerais |
| Andres Perico (visio) | University of California Santa Cruz |
| Ronald Perline (visio) | Drexel University |
| Sonia Pinto De Carvalho (visio) | Universidade Federal de Minas Gerais |
| Alexander Plakhov | University of Aveiro, Portugal |
| Milena Radnovic (visio) | University of Sydney |
| Sanjay Ramassamy (visio) | CNRS Université Paris-Saclay |
| Vered Rom-Kedar | Weizmann Institute of Rehovot |
| Vera Roshchina (visio) | UNSW Sydney |
| Marcos Salvai (visio) | Universidad Nacional de Córdoba |
| Kumar Sathish (visio) | Indira gandhi center for atomic research |
| Marcello Seri (visio) | University of Groningen |
| Bruno Sevennec | CNRS CNRS, Ecole Normale Supérieure de Lyon |
| Anastasiia Sharipova (visio) | Pennsylvania State University |
| Alfonso Sorrentino | University of Rome Tor Vergata |
| Laurent Stolovitch (visio) | CNRS Université Côte d'Azur |
| Sergei Tabachnikov | Pennsylvania State University |
| Diaaeldin Taha (visio) | Heidelberg University |
| Dmitry Treschev (visio) | Steklov Mathematical Institute |
| Serge Troubetzkoy | Aix-Marseille Université |
| Daniel Tsodikovich | Tel Aviv University |
| Túlio Vales (visio) | CEFET-MG |
| Constantin Vernicos | Université de Montpellier |
| Alexander Veselov | Loughborough University |
| Cormac Walsh | INRIA - Ecole Polytechniqne Palaiseau |
| Omer Yaniv | Weizmann Institute of science |
| Abdelghani Zeghib (visio) | CNRS UMPA, ENS Lyon |
| Igor Zelenko (visio) | Texas A&M University |
| Zhiyan Zhao (visio) | Université Nice Sophia Antipolis |
| Vadim Zharnitsky | University of Illinois at Urbana-Champai |