| Sergey Goncharov (visio) | Sobolev Institute of Mathematics |
| Rachael Alvir (visio) | University of Notre Dame |
| Djamel Eddine Amir | Université de Lorraine |
| Uri Andrews | University of Wisconsin -- Madison |
| George Barmpalias (visio) | Chinese Academy of Sciences |
| Ilnur Batyrshin (visio) | Kazan Federal University |
| Nikolay Bazhenov (visio) | Sobolev Institute of Mathematics |
| Verónica Becher (visio) | University of Buenos Aires |
| David Belanger (visio) | National University of Singapore |
| Laurent Bienvenu | CNRS CNRS & Université de Bordeaux |
| Vasco Brattka (visio) | UniBW Munich and UCT |
| Dmitry Bushtets (visio) | Kazan (Volga Region) Federal University |
| Lorenzo Carlucci (visio) | University of Rome 1 La Sapienza |
| Nicanor Jose Carrasco-Vargas (visio) | Pontifical Catholic University of Chile |
| Karen Frilya Celine (visio) | National University of Singapore |
| Douglas Cenzer (visio) | University of Florida |
| Julien Cervelle | Université Paris-Est Créteil |
| Peter Cholak | University of Notre Dame |
| Chi Tat Chong (visio) | National University of Singapore |
| Vittorio Cipriani | University of Udine |
| Chris Conidis (visio) | City University of New York |
| Valentino Delle Rose | Pontificia Universidad Católica de Chile |
| Francois Dorais (visio) | University of Vermont |
| Rod Downey (visio) | Victoria University, Wellington |
| Bruno Durand | Université de Montpellier |
| Damir Dzhafarov (visio) | University of Connecticut |
| Marta Fiori Carones (visio) | Sobolev Institute of Mathematics |
| Ekaterina Fokina | Vienna University of Technology |
| Johanna Franklin (visio) | Hofstra University |
| Anton Freund (visio) | Technical University of Darmstadt |
| William Gaudelier | Université Paris-Est Créteil |
| Léo Gayral (visio) | Université Toulouse III-Paul Sabatier |
| Jun Le Goh | University of Wisconsin-Madison |
| Noam Greenberg (visio) | Victoria University |
| Pierre Guillon | CNRS Aix-Marseille Université |
| Valentina Harizanov (visio) | George Washington University |
| Emma Harper (visio) | CUNY Graduate Center |
| Matthew Harrison-Trainor | University of Michigan |
| Denis Hirschfeldt (visio) | University of Chicago |
| Jeff Hirst (visio) | Appalachian State University |
| Meng-Che Ho (visio) | California State University, Northridge |
| Rupert Hoelzl | University of Munich |
| Mathieu Hoyrup (visio) | INRIA Université de Lorraine |
| Corrie Ingall (visio) | University of Connecticut |
| Carl Jockusch (visio) | University of Illinois at Urbana-Champai |
| Iskander Kalimullin (visio) | Kazan Federal University |
| Dariusz Kalociński | Institute of Computer Science (PAS) |
| Bakh Khoussainov (visio) | UESTC |
| Takayuki Kihara (visio) | Nagoya University |
| Bjoern Kjos-Hanssen (visio) | University of Hawaii at Manoa |
| Julia Knight (visio) | University of Notre Dame |
| Liling Ko (visio) | Ohio State University |
| Leszek Kołodziejczyk (visio) | University of Warsaw |
| Ulrich Kohlenbach (visio) | Technische Universität Darmstadt |
| Ruslan Kornev (visio) | Sobolev Institute of Mathematics |
| Katarzyna W. Kowalik (visio) | University of Warsaw |
| Rebekah Krauss (visio) | Federation University Australia |
| Antonin Kucera (visio) | Charles University, Faculty of Mathematics and Physics |
| Alexandra Kurmacheva (visio) | Kazan Federal University |
| Gregory Lafitte | Université de Paris 12 |
| Karen Lange (visio) | Wellesley College |
| Steffen Lempp | University Wisconsin-Madinson |
| Lu Liu (visio) | Central South University |
| Nadine Losert (visio) | Pädagogische Hochschule Heidelberg |
| Jack Lutz (visio) | Iowa State University |
| Neil Lutz (visio) | Swarthmore College |
| Patrick Lutz (visio) | UCLA |
| Alberto Marcone | University of Udine |
| Andrew Marks (visio) | University of Califonia, Los Angeles |
| Elvira Mayordomo | University of Zaragoza |
| Tim Mcnicholl (visio) | Iowa State University |
| Alexander Melnikov (visio) | Victoria University of Wellington |
| Wolfgang Merkle (visio) | Heidelberg University |
| Bastien Mignoty | IMJ Paris Rive Gauche |
| Andrei Migunov (visio) | Iowa State University |
| Joseph Mileti (visio) | Grinnell College |
| Joseph Miller (visio) | University Wisconsin—Madison |
| Justin Miller (visio) | Dartmouth College |
| Russell Miller | Queens College & CUNY Graduate Center |
| Kenshi Miyabe (visio) | Meiji University |
| Benoit Monin (visio) | Université Paris-Est Créteil |
| Andrey Morozov (visio) | Sobolev institute of mathematics SB RAS |
| Manat Mustafa (visio) | Nazarbayev University |
| Antonio Nakid Cordero (visio) | University of Wisconsin-Madison |
| Keng Meng Ng (visio) | Nanyang Technological University |
| Andre Nies (visio) | University of Auckland |
| Ludovic Patey | CNRS Institut Camille Jordan, Lyon |
| Arno Pauly | Swansea University |
| Léo Paviet Salomon | Université de Caen Normandie |
| Floris Persiau (visio) | Ghent University |
| Christopher Porter (visio) | Drake University |
| Jan Reimann (visio) | Pennsylvania State University |
| Sarah Reitzes (visio) | University of Chicago |
| Cristobal Rojas (visio) | IMC-PUC |
| Andrei Romashchenko | CNRS LIRMM, CNRS et Université de Montpellier |
| Nazanin Roshandel Tavana (visio) | Amirkabir University of Technology |
| Dino Rossegger (visio) | University of California, Berkeley |
| Mathieu Sablik (visio) | Université de Toulouse |
| Luca San Mauro (visio) | Sapienza University of Rome |
| Isabella Scott (visio) | University of Chicago |
| Paul Shafer | University of Leeds |
| Alexander Shen | CNRS Université de Montpellier |
| Alexandra Shlapentokh (visio) | East Carolina University |
| Richard Shore (visio) | Cornell University |
| Stephen G Simpson (visio) | Penn State University, Vanderbilt Univer |
| Theodore Slaman (visio) | UC-Berkeley |
| Giovanni Solda | Swansea University |
| Reed Solomon (visio) | University of Connecticut |
| Alexandra Andreeva Soskova | Sofia University |
| Mariya Soskova | University of Wisconsin—Madison |
| Tomasz Steifer | Pontifical Catholic University of Chile |
| Frank Stephan (visio) | National University Singapore |
| Donald Stull (visio) | Northwestern University |
| Sebastiaan Terwijn (visio) | Radboud University Nijmegen |
| Ivan Titov | Heidelberg University |
| Zhansaya Tleuliyeva (visio) | Nazarbayev University |
| Henry Towsner (visio) | University of Pennsylvania |
| Daniel Turetsky (visio) | Victoria University of Wellington |
| Yannis Tziligakis (visio) | Ventrisk |
| Manlio Valenti | University of Udine |
| Pascal Vanier | Université de Caen Normandie |
| Stefan Vatev (visio) | Sofia University |
| Wei Wang (visio) | Sun Yat-sen University |
| Rose Weisshaar (visio) | University of Notre Dame |
| Linda Westrick | Penn State University |
| Yue Yang | National University of Singapore |
| Keita Yokoyama (visio) | Tohoku University |
| Liang Yu (visio) | Nanjing University |