| Name | Affiliation | period |
| Jessica E. Banks | University of Oxford |
24 May 2011
- 27 May 2011 |
| Michel Boileau | Institut de Mathématiques de Toulouse |
23 May 2011
- 27 May 2011 |
| Shanti Caillat-Gibert | CMI, Marseille |
25 May 2011
- 26 May 2011 |
| Charalampos Charitos | University of Athens |
25 May 2011
- 26 May 2011 |
| Cameron Gordon | The University of Texas at Austin | |
| Marc Lackenby | University of Oxford |
24 May 2011
- 27 May 2011 |
| Feng Luo | Rutgers University |
24 May 2011
- 27 May 2011 |
| Sergei Nechaev | Université de Paris-Sud | |
| Giandomenico Palumbo | Dipartimento di Fisica Nucleare & Teorica e INFN Pavia |
16 May 2011
- 17 May 2011 25 May 2011 - 26 May 2011 |
| Ekaterina Pervova | University of Pisa |
1 May 2011
- 31 July 2011 24 May 2011 - 27 May 2011 |
| Jessica Purcell | Brigham Young University |
22 May 2011
- 27 May 2011 |
| Fionntan Roukema | University of Pisa |
1 May 2011
- 1 July 2011 25 May 2011 - 26 May 2011 |
| Nabil Sayari | University of Moncton |
1 May 2011
- 31 July 2011 24 May 2011 - 27 May 2011 |
| Saul Schleimer | University of Warwick | |
| Anastasiia Tsvietkova | University of Tennessee, Knoxville |
24 May 2011
- 27 May 2011 |