| Year | Position | Institution |
| 1985 | Nih 4 | |
| 1985 | Niaid 4 | |
| 1986 | Nih 4 | |
| 1986 | Niaid 4 | |
| 1987 | Nih 4 | |
| 1987 | Niaid 4 | |
| 1988 | Nih 4 | |
| 1988 | Niaid 4 | |
| 1997 | National Institutes Of Health 4 | |
| 1998 | National Institutes Of Health 4 | |
| 1999 | National Institutes Of Health 4 | |
| 2000 | National Institutes Of Health 4 | |
| 2001 | National Institutes Of Health 4 | |
| 2002 | Niaid Nih 4 | |
| 2010 | Nih 4 | |
| 2010 | National Institute Of Allergy And Infectious Diseases 4 | |
| 2012 | National Institutes Of Health 4 | |
| 2012 | Niaid 4 | |
| 2013 | Nih 4 | |
| 2013 | Niaid 4 | |
| 2014 | NIAID NIH | |
| 2015 | NIAID National Institutes of Health |
| Year | Role | Course |
| 1985 | Faculty/Staff/Lecturer | Biology Of Parasitism 1985 |
| 1986 | Faculty/Staff/Lecturer | Biology Of Parasitism 1986 |
| 1987 | Faculty/Staff/Lecturer | Biology Of Parasitism 1987 |
| 1988 | Faculty | Biology Of Parasitism 1988 |
| 1997 | Lecturer | Biology Of Parasitism: Modern Approaches 1997 |
| 1998 | Lecturer | Biology Of Parasitism: Modern Approaches 1998 |
| 1999 | Lecturer | Biology Of Parasitism: Modern Approaches 1999 |
| 2000 | Lecturer | Biology Of Parasitism: Modern Approaches 2000 |
| 2001 | Lecturer | Biology Of Parasitism: Modern Approaches 2001 |
| 2002 | Lecturer | Biology Of Parasitism: Modern Approaches 2002 |
| 2010 | Lecturer | Biology Of Parasitism 2010 |
| 2012 | Lecturer | Biology Of Parasitism: Modern Approaches 2012 |
| 2013 | Lecturer | Biology Of Parasitism: Modern Approaches 2013 |
| 2014 | Lecturer | Biology of Parasitism 2014 |
| 2015 | Lecturer | Biology of Parasitism 2015 |