| Year | Position | Institution |
| 1994 | Stanford University 4 | |
| 1999 | Institute For Genomic Research 4 | |
| 2000 | Institute For Genomic Research 4 | |
| 2001 | Institute For Genomic Research 4 | |
| 2002 | Institute For Genomic Research 8 | |
| 2003 | Institute For Genomic Research 8 | |
| 2004 | Institute For Genomic Research 4 | |
| 2011 | University Of California 4 |
| Year | Role | Course |
| 1994 | Student | Workshop On Molecular Evolution 1994 |
| 1999 | Faculty | Workshop On Molecular Evolution 1999 |
| 2000 | Faculty | Workshop On Molecular Evolution 2000 |
| 2001 | Faculty | Workshop On Molecular Evolution 2001 |
| 2002 | Faculty | Advances In Genome Technology And Bioinformatics 2002 |
| 2002 | Faculty | Workshop On Molecular Evolution 2002 |
| 2003 | Faculty | Workshop On Molecular Evolution 2003 |
| 2003 | Faculty | Advances In Genome Technology And Bioinformatics 2003 |
| 2004 | Faculty | Workshop On Molecular Evolution 2004 |
| 2011 | Lecturer | Microbial Diversity 2011 |
| Year | Location |
| 2011 | davis |