| Year | Position | Institution |
| 1983 | Graduate Student | Boston University 4 |
| 1983 | Boston University Marine Program 4 | |
| 1983 | Marine Biological Laboratory 4 | |
| 1984 | Graduate Student | Boston University 4 |
| 1985 | Graduate Student | Boston University 4 |
| 1986 | Graduate Student | Boston University 4 |
| 1987 | Graduate Student | Boston University 4 |
| 2002 | Roskilde University 4 | |
| 2006 | Roskilde University 4 | |
| 2007 | Roskilde University 4 | |
| 2009 | Roskilde University 4 |
| Year | Role | Course |
| 1983 | Faculty/Staff/Lecturer | Marine Ecology 1983 |
| 1983 | Student | Boston University Marine Program 1983 |
| 1984 | Student | Boston University Marine Program 1984 |
| 1985 | Student | Boston University Marine Program 1985 |
| 1986 | Student | Boston University Marine Program 1986 |
| 1987 | Student | Boston University Marine Program 1987 |
| Year | Subject | Role |
| 2002 | Other Research Personnel | |
| 2006 | Other Research Personnel | |
| 2007 | Other Research Personnel | |
| 2009 | Other Visiting Research Personnel | |
| 2016 | Whitman Associate |
| Year | Location |
| 2002 | denmark |
| 2006 | denmark |
| 2009 | denmark |