| Dmitriy Bilyk | University of Minnesota | 24.01.2022 – 12.03.2022 |
| 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 |
| 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 |
| Joseph Feneuil | Université Paris-Saclay | 16.01.2022 – 12.02.2022 |
| Ian Fleschler | Princecton University | 10.01.2022 – 19.02.2022 |
| Benjamin Foster | Stanford University | 11.01.2022 – 05.03.2022 |
| 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 |
| Cole Jeznach | University of Minnesota | 10.01.2022 – 16.02.2022 |
| Eugenia Malinnikova | Stanford University | 10.01.2022 – 26.03.2022 |
| Ilya Marchenko | University of Notre Dame | 23.01.2022 – 19.02.2022 |
| Jose Maria Martell | ICMAT | 30.01.2022 – 18.02.2022 |
| Mihalis Mourgoglou | Universidad del País Vasco | 16.01.2022 – 26.02.2022 |
| Kaj Nyström | Uppsala University | 30.01.2022 – 24.02.2022 |
| Tuomas Orponen | University of Jyväskylä | 16.01.2022 – 22.04.2022 |
| 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 |
| Anna Skorobogatova | Princeton University | 18.01.2022 – 24.04.2022 |
| Sergey Tikhonov | Centre de Recerca Matemàtica | 23.01.2022 – 21.02.2022 |
| Xavier Tolsa | Universitat Autònoma de Barcelona | 16.01.2022 – 19.02.2022 |
| Michele Villa | University of Oulu | 30.01.2022 – 12.03.2022 |
