| Year | Position | Institution |
| 1987 | University Of Pennsylvania School Of Dental Medicine 4 | |
| 1988 | Inserm 4 | |
| 2011 | National Cancer Institute 4 |
| Year | Role | Course |
| 2011 | Student | Strategies And Techniques For Analyzing Microbial Population Structures 2011 |
| Year | Subject | Role |
| 1987 | Other Research Personnel | |
| 1988 | Other Research Personnel |
| Year | Location |
| 1988 | paris |