| 2007 | Boden Conference on Heron Island |
| Memories of Sheppard Hall |
| 2006 | Memories of Rockefeller Park |
| Memories of J1304 |
| 2005 | Johns Hopkins |
| Cold Spring Harbor |
| 2004 | Cold Spring Harbor |
| 2002 | Granada | Cold Spring Harbor |
| 2001 | Cold Spring Harbor |
| 2000 | XXIV Congreso Latinoamericano de Química, Perú |
|
| Caracas, 2006 |