Bart de Boer, VUB Brussels (Dec 2018)
Dan Dediu, Univ. Lyon (Dec 2018)
Kenny Smith, Univ. Edinburgh (Dec 2018)
Jochen Triesch, Univ. Frankfurt (Nov 2018)
Vincenzo Lomonaco, University of Bologna, Italy (Aug. 2018)
Ashley Hill, Univ. Paris-Sud, Paris Saclay.
René Traoré, UPMC, Sorbonne Universite, Paris.
Josias Lévi Alvarès, ENSC, Bordeaux.
Sandy Manolios, Univ. de Lyon, Lyon.
Rémy Portelas, UPMC, Paris.
Chuan Qin, ENSTA, Paris Saclay.