| Name | Institute | Date |
| Andres Jaramillo Puentes | Paris | January 2024 |
| Matteo Micheli | | November 2023 - February 2024 |
| Dr. Alessio Cipriani | Rome | May - July 2022 |
| Prof. Sergey Mozgovoy | Dublin | October + November 2020 |
| Prof. Sergey Mozgovoy | Dublin | January 2020 |
| Balazs Elek | Cornell University | January 2018 |
| Dr. Gleb A. Koshevoy | Moskau | November 2017 |
| Dr. Xin Fang | Köln | October 2017 |
| Dr. Evgeny Feigin | Moskau | October 2017 |
| Prof. Dr. Ghislain Fourier | Hannover | October 2017 |
| Sebastian Opper | Köln | September 2017 |
| Amelie Schreiber | Connecticut | September 2017 |
| Dr. Jacinta Perez Gavilan Torres | Leipzig | Juni 2017 |
| Dr. Gleb Koshevoy | Moskau | Mai 2017 |
| Arik Wilbert | Bonn | November 2016 |
| Dr. Hans Franzen | Bonn | Juni 2016 |
| Dr. Giovanni Cerulli-Irelli | Rome | Juni 2016 |
| Marcel Maslovaric | Göttingen | April 2016 |