| December 9-10, 2019 | Karl Palmskog (KTH Royal Institute of Technology) |
| November 25-29, 2019 | Thomas Van Strydonck (KU Leuven) |
| November 14-15, 2019 | Deepak Garg (MPI-SWS) |
| November 14-15, 2019 | Peter Sewell (University of Cambridge) |
| November 12-14, 2019 | Marieke Huisman (University of Twente) |
| November 12-14, 2019 | Bart Jacobs (KU Leuven) |
| November 4-7,2019 | Matthieu Sozeau (INRIA Paris) |
| October 21-25, 2019 | Simon Wimmer (TU Munich) |
| October 19-23, 2019 | David Naumann (Stevens Institute of Technology) |
| October 7-11, 2019 | Paige North (Ohio State University) |
| October 7-11, 2019 | Benedikt Ahrens (University of Birmingham) |
| September 30-October 3, 2019 | Mario Alvarez-Picallo (University of Oxford) |
| September 18-20, 2019 | Andreas Nuyts (KU Leuven, Belgium) |
| August 25-September 5, 2019 | Leo Stefanesco (IRIF Paris) |
| August 12-September 13, 2019 | Amin Timany (KU Leuven, Belgium) |
| August 26-30, 2019 | Kenji Maillard (INRIA Paris) |
| August 26-28, 2019 | Seyed Reza Sefidgar (ETHZ) |
| August 19-23, 2019 | Thomas Sibut Pinot |
| April 14-18, 2019 | Philipp Haselwarter from Ljubljana |
| Mar 7, 2019 | Anders Schlichtkrull from DTU |
| Feb 28 - Mar 14, 2019 | Laure Petrucci from LIPN/CNRS, Université Paris 13, France |
| Feb 14 - Feb 15, 2019 | Elisavet Kozyri from Cornell |
| Feb 11 - Feb 13, 2019 | Pierre-Yves Strub École Polytechnique, France |
| Dec 11 - Dec 13, 2018 | Ilya Sergey Yale-NUS, Singapore |
| Oct 29 - Nov 02, 2018 | Paolo G. Giarrusso EPFL, Switzerland |
| Oct 30 - Nov 02, 2018 | Amin Timany KU Leuven, Belgium |
| Oct 30 - Nov 02, 2018 | Leo Stefanesco from Paris, France |
| Oct 22, 2018 | Alix Trieu from Université de Rennes 1, France |
| Sep 4, 2018 | Giorgio Bacci from Aalborg University |
| Sep 4, 2018 | Radu Mardare from Aalborg University |
| Aug 27 - Aug 31, 2018 | Danil Annenkov from INRIA Nantes, France |
| Aug 27, 2018 | Hans Bugge Grathwohl |
| Jun 18 - Jun 21, 2018 | Craig Mclaughlin from Edinburgh, Scotland |
| Jun 18 - Jun 21, 2018 | Filip Sieczkowski from Wrocław, Poland |
| Jun 05 - Aug 30, 2018 | Jon Sterling from CMU, USA |
| Apr 23 - Jul 30, 2018 | Leo Stefanesco from Paris, France |
| May 16 - May 18, 2018 | Ulrik Buchholtz from Darmstadt, Germany |
| Apr 30 - May 1, 2018 | Ian Orton from Cambridge, UK |
| Apr 16 - Apr 20, 2018 | Guillaume Brunerie from IAS Princeton, USA |
| Apr 18 - Apr 19, 2018 | Jan Hoffmann from CMU, USA |
| Apr 09 - Apr 13, 2018 | Dan Frumin from Nijmegen, The Netherlands |
| Apr 09 - Apr 13, 2018 | Amin Timany KU Leuven, Belgium |
| Mar 1 - Mar 2, 2018 | Jesper Bengtson from the IT University, Copenhagen |
| Mar 1 - Mar 2, 2018 | Jonas Kastberg Hinrichsen from the IT University, Copenhagen |