| Year | Position | Institution |
| 1967 | Oregon State University 4 | |
| 1972 | Professor Of Biophysics | Oregon State University 4 |
| 1979 | Oregon State University 8 | |
| 1980 | Oregon State University 4 | |
| 1987 | Oregon State University 4 | |
| 1988 | Oregon State University 4 | |
| 1989 | Oregon State University 4 | |
| 1990 | Oregon State University 4 | |
| 1991 | Oregon State University 4 | |
| 1992 | Oregon State University 4 | |
| 1993 | Oregon State University | |
| 1994 | Oregon State University 5 | |
| 1995 | Oregon State University 5 | |
| 1996 | Oregon State University 5 | |
| 1997 | Oregon State University 5 | |
| 1998 | Oregon State University 5 | |
| 1999 | Oregon State University 5 | |
| 2000 | Oregon State University 5 | |
| 2001 | Oregon State University 4 |
| Year | Role | Course |
| 1967 | Student | Physiology 1967 |
| 1979 | Faculty/Staff/Lecturer | Microbial Ecology 1979 |
| 1979 | Instructor-In-Chief | Physiology 1979 |
| 1980 | Instructor-In-Chief | Physiology 1980 |
| Year | Subject | Role |
| 1972 | Independent | |
| 1987 | Library Readers | |
| 1988 | Library Readers | |
| 1989 | Library Readers | |
| 1990 | Library Readers: General | |
| 1991 | Library Readers: Desk | |
| 1992 | Library Readers: General | |
| 1994 | Library Readers | |
| 1995 | Library Readers | |
| 1996 | Library Readers | |
| 1997 | Library Readers | |
| 1998 | Library Readers | |
| 1999 | Library Readers | |
| 2000 | Library Readers | |
| 2001 | Library Readers |
| Year | Start Date | End Date | Subject | Role |
| 1993 | - | - | Corporation Member | |
| 1994 | - | - | Corporation Member | |
| 1995 | - | - | Corporation Member | |
| 1996 | - | - | Corporation Member | |
| 1997 | - | - | Corporation Member | |
| 1998 | - | - | Corporation Member | |
| 1999 | - | - | Corporation Member | |
| 2000 | - | - | Corporation Member |