- Iain Moffatt (Royal Holloway, Univ. of London, UK) - Sept. 2014, Nov. 2014 and June 2015 (co-financed with Pôle math-STIC, Univ. Paris 13), November 2015
- Johannes Pausch (Cambridge Univ., UK) - June 2014
- Alexander Alexandrov (Freiburg Univ., Germany) - Feb. 2015
- Rémi Avohou (ICMPA Cotonou, Benin) - May to August 2015 (co-finaced with APSA and Pôle math-STIC, Univ. Paris 13)
- Kasia Rejzner (Univ. York, UK) - July 2015
- Sylvain Carrozza (Aix-Marseille Univ., France) - July 2015
- Vincent Rivasseau (Univ. Paris 11, Paris-Saclay, France) - January 2016, January 2017
- Razvan Gurau (Ecole Polytechnique, France) - February 2016
- Luca Lionni (Univ. Paris 11, Paris-Saclay and Univ. Paris 13, Sorbonne Paris Cité, France) - Mars, November 2016, January 2017
- Ousmane Dine (Max Planck Institute, Golm, Germany) - December 2016
- Emily Burgunder (Univ. Toulouse, France) - December 2016