| Year | Position | Institution |
| 1987 | Nih 4 | |
| 1987 | Niaid 4 | |
| 1988 | Nih 4 | |
| 1988 | Niaid 4 | |
| 1995 | Cornell University 4 | |
| 1996 | Cornell University 4 | |
| 1997 | Cornell University 4 | |
| 1998 | Cornell University 4 | |
| 1999 | Cornell University 4 | |
| 2000 | Cornell University 5 | |
| 2001 | Cornell University 4 | |
| 2005 | University Of Pennsylvania 4 | |
| 2015 | Washington University School Of Medicine | |
| 2016 | Max Planck Institute of Immunobiology and Epigenetics |
| Year | Role | Course |
| 1987 | Faculty/Staff/Lecturer | Biology Of Parasitism 1987 |
| 1988 | Lecturer | Biology Of Parasitism 1988 |
| 1995 | Faculty | Biology Of Parasitism 1995 |
| 1996 | Lecturer | Biology Of Parasitism: Modern Approaches 1996 |
| 1997 | Director | Biology Of Parasitism: Modern Approaches 1997 |
| 1998 | Director | Biology Of Parasitism: Modern Approaches 1998 |
| 1999 | Director | Biology Of Parasitism: Modern Approaches 1999 |
| 2000 | Director | Biology Of Parasitism: Modern Approaches 2000 |
| 2001 | Director | Biology Of Parasitism: Modern Approaches 2001 |
| 2005 | Lecturer | Biology Of Parasitism: Modern Approaches 2005 |
| 2015 | Lecturer | Biology of Parasitism 2015 |
| 2016 | Lecturer | Biology of Parasitism 2016 |
| Year | Start Date | End Date | Subject | Role |
| 2000 | - | - | Friday Evening Lecturer |