| Year | Position | Institution |
| 1992 | University Of British Columbia 4 | |
| 1993 | University Of British Columbia 4 | |
| 1994 | Universitat Oldenburg 4 | |
| 1995 | Universitat Oldenburg 4 | |
| 2000 | University Of Oldenburg 4 | |
| 2005 | Universitat Munchen 4 | |
| 2008 | Ludwig Maximilians Universitat Munchen 4 |
| Year | Role | Course |
| 1992 | Teaching Assistant | Microbial Diversity 1992 |
| 1993 | Teaching Assistant | Microbial Diversity 1993 |
| 1994 | Faculty | Microbial Diversity 1994 |
| 1995 | Faculty | Microbial Diversity 1995 |
| 2000 | Faculty | Microbial Diversity 2000 |
| 2005 | Faculty | Microbial Diversity 2005 |
| 2008 | Faculty | Microbial Diversity 2008 |
| Year | Location |
| 1992 | canada |
| 1994 | germany |
| 1995 | germany |