| Year | Position | Institution |
| 1976 | Hebrew University 8 | |
| 1980 | Hebrew University 4 | |
| 1981 | Hebrew University 4 | |
| 1984 | H Steinitz Marine Biological Laboratory 4 | |
| 1994 | Hebrew University 4 | |
| 1997 | Hebrew University Of Jerusalem 8 |
| Year | Role | Course |
| 1976 | Instructor | Training Program In Microbial Ecology 1976 |
| 1980 | Faculty/Staff/Lecturer | Microbial Ecology 1980 |
| 1981 | Faculty/Staff/Lecturer | Microbial Ecology 1981 |
| 1984 | Faculty/Staff/Lecturer | Microbiology 1984 |
| 1994 | Faculty | Microbial Diversity 1994 |
| 1997 | Lecturer | Microbial Diversity 1997 |
| Year | Subject | Role |
| 1976 | Independent Investigators | |
| 1997 | Library Readers |
| Year | Location |
| 1976 | jerusalem |
| 1980 | elat, israel |
| 1981 | israel |
| 1984 | israel |
| 1994 | israel |
| 1997 | israel |