| Name | Affiliation | period |
| Jean-Philippe Anker | Universite' d'Orleans - Laboratoire de Mathematiques MAPMO |
29 April 2003
- 15 July 2003 1 September 2003 - 6 September 2003 |
| Anthony Carbery | University of Edinburgh |
29 April 2003
- 15 July 2003 8 September 2003 - 13 September 2003 |
| Ewa Damek | Wroclaw University |
29 April 2003
- 15 July 2003 8 September 2003 - 13 September 2003 |
| Alexander Nagel | University of Wisconsin-Madison |
29 April 2003
- 15 July 2003 1 September 2003 - 6 September 2003 |
| Luis Vega Gonzalez | Universidad Pais Vasco, BCAM |
29 April 2003
- 15 July 2003 8 September 2003 - 13 September 2003 |
| Alexander Volberg | Michigan State University/ Universite Paris VI |
29 April 2003
- 15 July 2003 1 September 2003 - 6 September 2003 |