| Company | Timeline | Status | |
| Gibco Leasing Limited Director • Company Director | 31 Jan 1992←8 Years→14 Jun 2000 | Liquidation | |
| Invitrogen Europe Limited Director • Company Director | 31 Jan 1992←8 Years→14 Jun 2000 | Active | |
| Life Technologies (Europe) Limited Director • Company Director | 31 Jan 1992←8 Years→14 Jun 2000 | Liquidation | |
| Life Technologies Limited Director • Company Director | 31 Jan 1992←8 Years→14 Jun 2000 | Active | |
| Gibco Bio-Cult Diagnostics Limited Director • Company Director | 31 Jan 1992←8 Years→14 Jun 2000 | Liquidation | |
