| Year | Position | Institution |
| 1984 | Mansfield Center 4 | |
| 1985 | Marine Biological Laboratory 4 | |
| 1990 | Goucher College 4 | |
| 1993 | Michigan State University 4 | |
| 1997 | Michigan State University 4 | |
| 1999 | University Of Iowa 4 | |
| 2000 | University Of Iowa 4 | |
| 2003 | California Institute Of Technology 4 | |
| 2005 | California Institute Of Technology 4 | |
| 2006 | California Institute Of Technology 4 | |
| 2007 | California Institute Of Technology 4 | |
| 2009 | California Institute Of Technology 4 | |
| 2010 | California Institute Of Technology 4 | |
| 2011 | California Institute Of Technology 4 | |
| 2012 | California Institute Of Technology 4 | |
| 2013 | California Institute Of Technology 4 | |
| 2014 | California Institute Of Technology | |
| 2015 | California Institute Of Technology | |
| 2016 | California Institute Of Technology |
| Year | Role | Course |
| 1984 | Faculty/Staff/Lecturer | Microbiology 1984 |
| 1985 | Faculty/Staff/Lecturer | Microbiology: Molecular Aspects Of Cellular Diversity 1985 |
| 1990 | Student | Microbiology: Molecular Aspects Of Cellular Diversity 1990 |
| 1993 | Teaching Assistant | Microbial Diversity 1993 |
| 1997 | Lecturer | Microbial Diversity 1997 |
| 1999 | Lecturer | Microbial Diversity 1999 |
| 2000 | Teaching Assistant | Microbial Diversity 2000 |
| 2003 | Lecturer | Microbial Diversity 2003 |
| 2005 | Faculty | Microbial Diversity 2005 |
| 2006 | Faculty | Microbial Diversity 2006 |
| 2007 | Faculty | Microbial Diversity 2007 |
| 2009 | Lecturer | Microbial Diversity 2009 |
| 2010 | Lecturer | Microbial Diversity 2010 |
| 2011 | Lecturer | Microbial Diversity 2011 |
| 2012 | Lecturer | Microbial Diversity 2012 |
| 2013 | Lecturer | Microbial Diversity 2013 |
| 2014 | Course Director | Microbial Diversity 2014 |
| 2015 | Course Director | Microbial Diversity 2015 |
| 2016 | Course Director | Microbial Diversity 2016 |
| Year | Location |
| 1984 | ct |