| Jenny August | MPIM Bonn | |
| Severin Barmeier | Universität zu Köln | 01.09.2020 – 18.12.2020 |
| Pieter Belmans | University of Luxembourg | |
| Matheus Brito | Federal University of Parana | 09.10.2020 – 17.12.2020 |
| Ilke Canakci | VU Amsterdam | 01.09.2020 – 24.10.2020 |
| Giordano Cotti | University of Lisbon | 01.09.2020 – 18.12.2020 |
| Jorge Nuno dos Santos Vitória | Università degli Studi di Cagliari | 28.09.2020 – 18.12.2020 |
| Hans Franzen | Ruhr-Universität Bochum | 28.09.2020 – 09.10.2020 |
| Wassilij Gnedin | Bochum | 01.09.2020 – 18.12.2020 |
| Mikhail Gorskii | Universität Stuttgart | 01.09.2020 – 18.12.2020 |
| Sira Gratz | Aarhus University | 01.09.2020 – 18.12.2020 |
| Johanne Haugland | Norwegian University of Science and Technology (NTNU) | 01.09.2020 – 11.12.2020 |
| Thorsten Heidersdorf | Universität Bonn | |
| Karin Marie Jacobsen | Universität Bielefeld | 04.09.2020 – 11.12.2020 |
| Gustavo Jasso Ahuja | Universität Bonn | 01.09.2020 – 18.12.2020 |
| Martin Kalck | University of Graz | 20.09.2020 – 24.10.2020 |
| Maitreyee Kulkarni | Princeton University | 29.08.2020 – 18.12.2020 |
| Deniz Kus | Ruhr-University Bochum | 01.09.2020 – 18.12.2020 |
| Sondre Kvamme | Uppsala University | 03.09.2020 – 07.12.2020 |
| Rosanna Laking | Università di Verona | 28.09.2020 – 18.12.2020 |
| Ian Le | Northwestern University | 02.09.2020 – 18.12.2020 |
| Frederik Marks | University of Stuttgart | 28.09.2020 – 18.12.2020 |
| Jacob Matherne | Universität Bonn | 29.08.2020 – 18.12.2020 |
| Lang Mou | University of California Davis | 01.09.2020 – 14.12.2020 |
| Sebastian Opper | Charles University | 03.09.2020 – 18.12.2020 |
| Yann Palu | Université de Picardie Jules Verne | 27.09.2020 – 10.10.2020 |
| Matthew Pressland | University of Leeds | 01.09.2020 – 30.11.2020 |
| Theo Raedschelders | FalconForce | 01.09.2020 – 18.12.2020 |
| Job D. Rock | Brandeis University | 01.09.2020 – 18.12.2020 |
| Alexander Samokhin | IITP RAS | 01.12.2020 – 14.12.2020 |
| Nicolle Sandoval Gonzalez | University of California, Los Angeles (UCLA) | |
| Maxim Smirnov | University of Augsburg | 01.09.2020 – 18.12.2020 |
| Špela Spenko | Université Libre de Bruxelles | 02.09.2020 – 18.12.2020 |
| Gregory Stevenson | Aarhus University | 01.09.2020 – 18.12.2020 |
| Louise Sutton | University of Manchester | 07.09.2020 – 09.10.2020 |
| Hipolito Treffinger | self-affiliated | 01.09.2020 – 18.12.2020 |
| Daniel Tubbenhauer | Universität Zürich | 01.09.2020 – 18.12.2020 |
| Zhengfang Wang | University of Stuttgart | 01.09.2020 – 06.09.2020 |
| Zhengfang Wang | University of Stuttgart | 13.09.2020 – 18.09.2020 |
| Zhengfang Wang | University of Stuttgart | 27.09.2020 – 03.10.2020 |
| Zhengfang Wang | University of Stuttgart | 11.10.2020 – 16.10.2020 |
| Paul Wedrich | MPIM Bonn | |
| Jieru Zhu | self-affiliated | 01.09.2020 – 18.12.2020 |
| Alexandra Zvonareva | University of Stuttgart | 01.09.2020 – 18.12.2020 |
