| Company | Timeline | Status | |
| Bioreliance Ltd Director • Director | 5 May 2006←11 Months→12 Apr 2007 | Active | |
| Invitrogen Holdings Limited Director • Director | 1 Sep 2004←4 Years→16 Jul 2009 | Active | |
| Invitrogen Europe Limited Director • Director | 1 Sep 2004←4 Years→16 Jul 2009 | Active | |
| Life Technologies Limited Director • Director | 1 Sep 2004←4 Years→16 Jul 2009 | Active | |
