| Year | Position | Institution |
| 1980 | Boston University 4 | |
| 1981 | Boston University 8 | |
| 1982 | Boston University 4 | |
| 1983 | Graduate Student | Boston University 4 |
| 1984 | Graduate Student | Boston University 4 |
| 1985 | Graduate Student | Boston University 4 |
| 2008 | Pennsylvania State University 4 | |
| 2013 | Pennsylvania State University 4 |
| Year | Role | Course |
| 1980 | Trainee | Boston University Marine Program 1980 |
| 1981 | Student | Boston University Marine Program 1981 |
| 1981 | Student | Behavior 1981 |
| 1982 | Student | Boston University Marine Program 1982 |
| 1983 | Student | Boston University Marine Program 1983 |
| 1984 | Student | Boston University Marine Program 1984 |
| 1985 | Student | Boston University Marine Program 1985 |
| 2008 | Lecturer | Microbial Diversity 2008 |
| 2013 | Lecturer | Microbial Diversity 2013 |