| 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 |