| Alexander Black | UC Davis | 09/22 |
| Alexander Grosz | TU Wien | 03/20 |
| Elias Wirth | ETH Zurich | 03/20 |
| Matías Villagra | P. Universidad Católica de Chile | 02/20 |
| Thomas Lidbetter | Rutgers Business School | 10/19 |
| Endric Daues | Columbia University | 06/19-08/19 |
| Brooke Miller | The Georgia Institute of Technology | 06/19-08/19 |
| Ardalan Khazraei | Universität Bonn | 06/19 |
| Georgios Birmpas | University of Oxford | 05/19 |
| Daniel Vaz | Max-Planck-Institut für Informatik | 05/19 |
| Martin Krejca | Hasso-Plattner-Institut Potsdam | 05/19 |
| Adam Kunysz | Universität Breslau | 05/19 |
| Philipp Speckenmeyer | Technische Universität Dortmund | 05/19 |
| Yash Patel | Rheinische Friedrich-Wilhelms-Universität Bonn | 05/19 |
| Aris Filos-Ratsikas | EPFL Lausanne | 04/19 |
| Stratis Skoulakis | National Technical University of Athens | 03/19 |
| Rajani Singh | University of Warsaw | 02/19 |
| Klaus Jansen | Christian-Albrechts-Universität zu Kiel | 10/18 |
| Rebecca Reiffenhäuser | RWTH Aachen | 10/18 |
| Daniel Schmidt genannt Waldschmidt | TU Berlin | 09/18 |
| Daniel Schmidt | Universität zu Köln | 08/18 |
| Melanie Schmidt | Universität Bonn | 08/18 |
| Miriam Schlöter | TU Berlin | 07/18 |
| Georgy Noarov | Princeton University | 06/18 - 08/18 |
| Josh Ackerman | Carnegie Mellon University | 06/18 - 08/18 |
| Kevin Schewior | École Normale Supérieure | 05/18 |
| Alexandros Tsigonias-Dimitriadis | National Technical University of Athens | 02/18 |
| Michal Moshkovitz | The Hebrew University of Jerusalem | 02/18 |
| Vorapong Suppakitpaisarn | University of Tokyo | 02/18 |
| Steffen Borgwardt | University of Colorado Denver | 12/17 |
| Keyu Zhu | Shanghai Jiao Tong University | 10/17 - 02/18 |
| Víctor Verdugo | Universidad de Chile | 10/17, 02/17 |
| Bastian Bahamondes | Universidad de Chile | 10/17 |
| Claudio Telha | Center for Operations Research and Econometrics | 10/17 |
| Kshitij Gajjar | Tata Institute of Fundamental Research | 09/17 |
| Diogo Poças | McMaster University | 07/17 |
| José Soto | Universidad de Chile | 06/17 - 07/17, 10/16 |
| Andrés Perlroth | Stanford University | 06/17 - 07/17 |
| Dhamma Kimpara | Georgia Institute of Technology | 05/17 - 08/17 |
| Ruben Hoeksma | Universidad de Chile | 03/17 |
| Thomas McCormick | UBC Sauder School of Business | 03/17 |
| Ashwin Arulselvan | University of Strathclyde | 02/17 |
| Yossi Luzon | Tel Aviv University | 01/17 |
| Michele Garraffa | Université Paris 13 | 12/16 |
| Jiehua Chen | Technische Universität Berlin | 12/16 |
| Rajan Udwani | Massachusetts Institute of Technology | 07/16 |
| Yassine Marrakchi | Karlsruhe Institute of Technology | 07/16 |
| Senanayak Sesh Kumar Karri | Inria Research Center of Paris | 06/16 |
| Sergei Chubanov | Universität Siegen | 05/16 |
| Kai Kellner | Goethe-Universität Frankfurt/Main | 04/16 |
| Andreas Wiese | Max-Planck-Institut Saarbrücken | 02/16 |
