| Murat Akman | University of Essex | 16.03.2022 – 23.03.2022 |
| Giovanni Alberti | Università di Pisa | 28.02.2022 – 13.04.2022 |
| Pascal Auscher | Université Paris-Saclay | 13.03.2022 – 25.03.2022 |
| Engin Basakoglu | Bogaziçi University | 13.02.2022 – 26.02.2022 |
| David Beltran | Universitat de Valencia | 09.01.2022 – 29.01.2022 |
| Dmitriy Bilyk | University of Minnesota | 24.01.2022 – 12.03.2022 |
| Chandan Biswas | Indian Institute of Science | 01.04.2022 – 22.04.2022 |
| Farid Bozorgnia | Tecnico Lisboa | 20.02.2022 – 26.03.2022 |
| Mingming Cao | ICMAT | 30.01.2022 – 26.02.2022 |
| Alan Chang | Washington University in St. Louis | 10.01.2022 – 22.04.2022 |
| Damian Dabrowski | University of Jyväskylä | 30.01.2022 – 12.03.2022 |
| Guy David | Université de Paris Saclay | 12.01.2022 – 29.01.2022 |
| Jaume de Dios Pont | ETHZ | 23.01.2022 – 04.03.2022 |
| Stefano Decio | Norwegian University of Science and Technology | 12.01.2022 – 12.03.2022 |
| Giacomo Del Nin | University of Warwick | 03.04.2022 – 10.04.2022 |
| Francesco di Plinio | Università di Napoli “Federico II” | 18.02.2022 – 04.03.2022 |
| Polona Durcik | Chapman University | 10.01.2022 – 29.01.2022 |
| Moritz Egert | Université Paris-Saclay | 13.03.2022 – 25.03.2022 |
| Katrin Fässler | University of Jyväskylä | 06.04.2022 – 22.04.2022 |
| Joseph Feneuil | Université Paris-Saclay | 16.01.2022 – 12.02.2022 |
| Ian Fleschler | Princecton University | 10.01.2022 – 19.02.2022 |
| Ian Fleschler | Princecton University | 02.04.2022 – 16.04.2022 |
| Benjamin Foster | Stanford University | 11.01.2022 – 05.03.2022 |
| Morteza Fotouhi | Sharif University of Technology | 27.02.2022 – 02.04.2022 |
| Anastasios Fragkos | Washington University in St. Louis | 06.03.2022 – 22.04.2022 |
| Josep M Gallegos | Universitat Autònoma de Barcelona | 11.01.2022 – 19.02.2022 |
| Max Goering | Max Planck Institute | 30.01.2022 – 12.03.2022 |
| Ignasi Guillén Mola | Universitat Autònoma de Barcelona (UAB) | 23.01.2022 – 05.03.2022 |
| Pablo Hidalgo Palencia | ICMAT | 22.01.2022 – 06.03.2022 |
| John Hoffman | University of Missouri | 22.01.2022 – 05.03.2022 |
| Steven Hofmann | University of Missouri | 23.01.2022 – 03.03.2022 |
| Matthew Hyde | University of Warwick | 13.02.2022 – 26.03.2022 |
| Cole Jeznach | University of Minnesota | 10.01.2022 – 16.02.2022 |
| Antoine Julia | Universite Paris Saclay | 06.03.2022 – 18.03.2022 |
| Dóminique Kemp | University of Wisconsin | 13.03.2022 – 22.04.2022 |
| Olga Maleva | University of Birmingham | 04.04.2022 – 22.04.2022 |
| Eugenia Malinnikova | Stanford University | 10.01.2022 – 26.03.2022 |
| Ilya Marchenko | University of Notre Dame | 23.01.2022 – 19.02.2022 |
| Ilya Marchenko | University of Notre Dame | 04.04.2022 – 09.04.2022 |
| Jose Maria Martell | ICMAT | 30.01.2022 – 18.02.2022 |
| Svitlana Mayboroda | University of Minnesota | 20.02.2022 – 10.04.2022 |
| Andrea Merlo | Universitè Paris-Saclay | 13.03.2022 – 19.03.2022 |
| Andrew Morris | University of Birmingham | 13.02.2022 – 19.02.2022 |
| Andrew Morris | University of Birmingham | 14.03.2022 – 25.03.2022 |
| Mihalis Mourgoglou | Universidad del País Vasco | 16.01.2022 – 26.02.2022 |
| Georgios Ntosidis | Charles University | 17.03.2022 – 29.03.2022 |
| Kaj Nyström | Uppsala University | 30.01.2022 – 24.02.2022 |
| Andrea Olivo | International Centre for Theoretical Physics (ICTP) | 02.04.2022 – 16.04.2022 |
| Tuomas Orponen | University of Jyväskylä | 16.01.2022 – 22.04.2022 |
| Carlos Pérez | BCAM (Basque Center for Applied Mathematics) | 27.03.2022 – 06.04.2022 |
| Polina Perstneva | Université Paris-Saclay | 01.03.2022 – 12.03.2022 |
| Bruno Poggi Cevallos | Universitat Autònoma de Barcelona | 23.01.2022 – 19.03.2022 |
| Carmelo Puliatti | Universidad del País Vasco | 16.01.2022 – 26.02.2022 |
| Keith Rogers | Instituto de Ciencias Matematicas | 11.01.2022 – 09.04.2022 |
| Joris Roos | University of Massachusetts Lowell | 10.01.2022 – 29.01.2022 |
| Helge Jørgen Samuelsen | Norwegian University of Science and Technology | 27.03.2022 – 12.04.2022 |
| Andreas Seeger | University of Wisconsin-Madison | 09.01.2022 – 30.01.2022 |
| Banhirup Sengupta | Universitat Autònoma de Barcelona | 19.03.2022 – 03.04.2022 |
| Pablo Shmerkin | University of British Columbia | 03.04.2022 – 22.04.2022 |
| Yannick Sire | Johns Hopkins University | 27.02.2022 – 01.04.2022 |
| Anna Skorobogatova | Princeton University | 18.01.2022 – 24.04.2022 |
| Betsy Stovall | University of Wisconsin-Madison | 10.04.2022 – 16.04.2022 |
| Olli Tapiola | Universitat Autònoma de Barcelona | 06.02.2022 – 19.03.2022 |
| Sergey Tikhonov | Centre de Recerca Matemàtica | 23.01.2022 – 21.02.2022 |
| Xavier Tolsa | Universitat Autònoma de Barcelona | 16.01.2022 – 19.02.2022 |
| Xavier Tolsa | Universitat Autònoma de Barcelona | 13.03.2022 – 08.04.2022 |
| Michele Villa | University of Oulu | 30.01.2022 – 12.03.2022 |
| Pietro Wald | University of Trento | 06.04.2022 – 14.04.2022 |
| Alexia Yavicoli | The University of British Columbia | 03.04.2022 – 22.04.2022 |
| Joshua Zahl | The University of British Columbia | 01.04.2022 – 21.04.2022 |
| Zihui Zhao | University of Chicago | 21.03.2022 – 28.03.2022 |
