| 12/06/2023 – 12/07/2023 | Martin Stoll | TU Chemnitz |
| 12/05/2023 – 12/07/2023 | Sergey Dolgov | U of Bath |
| 11/20/2023 – 11/22/2023 | Thomas Swineburne | CNRS – Aix Marseille Université |
| 10/01/2023 – 12/31/2023 | Antonio Carlucci | Politecnico di Torino |
| 09/26/2023 – 09/29/2023 | Julia Vettermann | TU Chemnitz |
| 09/11/2023 – 09/12/2023 | Dave Himanshu | U Libre de Bruxelles |
| 09/07/2023 – 09/08/2023 | Tobias Breiten | TU Berlin |
| 09/01/2023 – 09/30/2023 | Paul Van Dooren | Catholic U of Louvain |
| 08/28/2023 – 04/20/2024 | Nikhil Arora | TU Braunschweig |
| 08/08/2023 – 08/09/2023 | Mario Ohlberger | WWU Münster |
| 08/08/2023 – 08/09/2023 | Stephan Rave | WWU Münster |
| 08/08/2023 – 08/09/2023 | Hendrik Kleikamp | WWU Münster |
| 08/02/2023 – 08/04/2023 | Steffen Werner | Courant Institute, New York U |
| 07/24/2023 – 08/04/2023 | Arwed Schuetz | Jade Hochschule Wilhelmshaven |
| 06/27/2023 – 07/05/2023 | Tim Mitchell | U of New York |
| 06/19/2023 – 07/19/2023 | Vasile Sima | ICI Bucharest |
| 05/15/2023 – 08/11/2023 | Joshua George | U of Alberta |
| 05/09/2023 – 05/10/2023 | Christopher Beattie | Virginia Tech |
| 03/19/2023 – 06/15/2023 | Paul Van Dooren | Catholic U of Louvain |
| 03/26/2023 – 03/31/2023 | Eda Oktay | Charles U in Prague |
| 03/05/2023 – 03/08/2023 | Monica Nonino | U Wien |
| 02/06/2023 – 02/11/2023 | Tony Stillfjord | Lund University |
| 02/06/2023 – 02/08/2023 | Felix Schneider | TU München |
| 02/01/2023 – 02/03/2023 | Tobias Breiten | TU Berlin |
| 01/29/2023 – 02/01/2023 | Stefano Grivet Talocia | Politecnico di Torino |