| Company | Timeline | Status | |
| NPL Management Limited Director • Managing Director | 7 Oct 1998←11 Months→15 Sep 1999 | Active | |
| Serco International Limited Director • Company Director | 1 Jun 1998←2 Years 5 Months→2 Nov 2000 | Dissolved | |
| Serco Limited Director • Company Director | 5 Sep 1995←4 Years→15 Feb 2000 | Active | |
| Serco International Limited Director • Company Director | 1 Apr 1995←9 Months→31 Dec 1995 | Dissolved | |
| Serco Limited Director • Director | 25 Feb 1993←1 Year→5 Mar 1994 | Active | |
Infoterra Limited Director • Company Director | 18 Feb 1993←2 Years 1 Month→27 Mar 1995 | Dissolved | |
