| 12/20/2022 – 12/24/2022 | Grigory Sklyar | West Pomeranian U of Technology, Szczecin |
| 11/28/2022 – 12/02/2022 | Stefan Klus | Heriot-Watt University |
| 11/22/2022 – 11/25/2022 | Ulrike Fitzer | U Rostock |
| 11/03/2022 – 11/04/2022 | Robert Luce | Gurobi GmbH |
| 10/29/2022 – 11/06/2022 | Julia Kalosha | National Academy of Sciences of Ukraine |
| 09/15/2022 – 09/18/2022 | Bernadett Stadler | U Linz |
| 09/15/2022 – 09/16/2022 | Martin Stoll | TU Chemnitz |
| 09/15/2022 – 09/16/2022 | Axel Klawonn | U Cologne |
| 08/22/2022 – 08/27/2022 | Marinela Pilj Vidaković | J.J. Strossmayer U of Osijek |
| 07/29/2022 – 01/05/2023 | Jimin Han | Korea |
| 07/29/2022 – 01/31/2023 | JiHyun Lee | Korea |
| 06/20/2022 – 06/22/2022 | Friedrich Philipp | TU Ilmenau |
| 06/21/2022 | Venkat Chandrasekaran | California Institute of Technology |
| 06/13/2022 – 07/10/2022 | Vasile Sima | ICI Bucharest |
| 05/02/2022 – 05/04/2022 | Daniel Kressner | EPFL |
| 04/05/2022 – 04/06/2022 | Art J.R. Pelling | TU Berlin |
| 03/25/2022 – 03/31/2023 | Anping Tang | Shanghai U |
| 03/23/2022 – 09/22/2022 | Iryna Baraniukova | NASU, Sloviansk |
| 03/15/2022 – 12/31/2022 | Neveen Eshtewy | Arish University |
| 02/27/2022 – 03/02/2022 | Zoran Tomljanović | J.J. Strossmayer U of Osijek |
| 01/17/2022 – 01/2872022 | Bartosz Wasilewski | U Szczecin |
| 01/13/2022 – 01/14/2022 | Michael Hinze | U Koblenz Landau |
| 01/12/2022 – 01/13/2022 | Maria Asplund | U Freiburg |
| 01/12/2022 – 01/13/2022 | Jan Gerrit Korvink | Karlsruhe Institute of Technology |
| 01/12/2022 – 01/13/2022 | Tamara Bechtold | Jade Hochschule Wilhelmshaven |