| Company | Timeline | Status | |
| Microsoft Research Limited Director • Chief Financial Offi | 12 May 1997←2 Years 8 Months→7 Jan 2000 | Active | |
| Microsoft Properties UK Limited Director • Chief Financial Offi | 15 Jul 1996←3 Years→7 Jan 2000 | Active | |
| Microsoft Limited Director • Chief Financial Offi | 15 Jul 1996←3 Years→7 Jan 2000 | Active | |
| Pearson Books Limited Director • General Manager | 15 Dec 1993←1 Year 12 Months→12 Dec 1995 | Dissolved | |
