| Year | Position | Institution |
| 1981 | Boston University | |
| 1982 | Boston University | |
| 1982 | Marine Biological Laboratory | |
| 1983 | Boston University | |
| 1984 | Boston University | |
| 1985 | Boston University | |
| 1986 | Marine Biological Laboratory | |
| 1987 | Marine Biological Laboratory | |
| 1988 | Marine Biological Laboratory | |
| 1989 | Marine Biological Laboratory | |
| 1990 | Marine Biological Laboratory | |
| 1991 | Mbl | |
| 1991 | Marine Biological Laboratory | |
| 1992 | University Of New Brunswick | |
| 1993 | University Of New Brunswick | |
| 1994 | University Of New Brunswick | |
| 1995 | University Of New Brunswick | |
| 1996 | Shriner Burns Institute Research Center | |
| 1997 | Shriner Burns Institute Research Center | |
| 1998 | Shriners Hospitals for Children | |
| 1999 | Shriners Hospitals for Children | |
| 2000 | Shriners Hospitals for Children |
| Year | Role | Course |
| 1975 | Student | Developmental Biology 1975 |
| 1975 | Student | Experimental Invertebrate Zoology 1975 |
| 1981 | Staff | Boston University Marine Program 1981 |
| 1982 | Faculty/Staff/Lecturer | Developmental Biology 1982 |
| 1982 | Staff | Boston University Marine Program 1982 |
| 1983 | Staff | Boston University Marine Program 1983 |
| 1984 | Staff | Boston University Marine Program 1984 |
| 1985 | Staff | Boston University Marine Program 1985 |
| 1987 | Faculty/Staff/Lecturer | Embryology: A Modern Course In Developmental Biology 1987 |
| 1991 | Faculty | Embryology: Cell Differentiation And Gene Expression In Early Development 1991 |
| Year | Start Date | End Date | Subject | Role |
| 1986 | - | - | Corporation Member | |
| 1987 | - | - | Corporation Member | |
| 1988 | - | - | Corporation Member | |
| 1989 | - | - | Corporation Member | |
| 1990 | - | - | Corporation Member | |
| 1991 | - | - | Corporation Member | |
| 1992 | - | - | Corporation Member | |
| 1993 | - | - | Corporation Member | |
| 1994 | - | - | Corporation Member | |
| 1995 | - | - | Corporation Member | |
| 1996 | - | - | Corporation Member | |
| 1997 | - | - | Corporation Member | |
| 1998 | - | - | Corporation Member | |
| 1999 | - | - | Corporation Member | |
| 2000 | - | - | Corporation Member |