| Company | Timeline | Status | |
| BTP Trustees Ltd Director • Director | 17 Jan 1995←4 Years→31 Aug 1999 | Dissolved | |
| Nipa Laboratories Limited Director • Director | 1 Nov 1992←2 Years 7 Months→30 May 1995 | Dissolved | |
| Graesser Laboratories Limited Director • Director | 1 Nov 1992←2 Years 7 Months→30 May 1995 | Active | |
