| Year | Position | Institution |
| 1971 | Yale University 4 | |
| 1999 | Emory University School Of Medicine 4 | |
| 2000 | Emory University School Of Medicine 4 | |
| 2001 | Emory University School Of Medicine 4 | |
| 2002 | University Of California Irvine 4 | |
| 2003 | University Of California Irvine 4 | |
| 2005 | University Of California 4 | |
| 2007 | University Of California Irvine 4 | |
| 2013 | Childrenas Hospital Research Institute 4 | |
| 2014 | Children's Hospital Research Institute |
| Year | Role | Course |
| 1971 | Student | Physiology 1971 |
| 1999 | Director | Molecular Biology Of Aging 1999 |
| 2000 | Director | Molecular Biology Of Aging 2000 |
| 2001 | Director | Molecular Biology Of Aging 2001 |
| 2002 | Director | Molecular Biology Of Aging 2002 |
| 2003 | Course Director | Molecular Biology Of Aging 2003 |
| 2005 | Lecturer | Molecular Biology Of Aging 2005 |
| 2007 | Lecturer | Molecular Biology Of Aging 2007 |
| 2013 | Lecturer | Molecular Biology Of Aging 2013 |
| 2014 | Faculty | Molecular Biology of Aging 2014 |