| Name | Affiliation | period | 
| François Delarue | Université de Nice | 12 September 2017 
     - 16 September 2017 | 
| Sylvie Méléard | Ecole Polytechnique, Paris | 12 September 2017 
     - 15 September 2017 | 
| Benoit Perthame | Université Pierre et Marie Curie, Paris | 12 September 2017 
     - 15 September 2017 |