| Company | Timeline | Status | |
| The British Museum Friends Director • Managing Director | 29 Dec 2000←1 Year→31 Dec 2001 | Active | |
| W.W. Norton & Company Limited Director • Publisher | 1 Jul 1996←17 Years→26 Mar 2014 | Active | |
| Family Action Director • Managing Director | 15 Sep 1995←8 Years→6 Nov 2003 | Active | |
| British Museum Ventures Limited Director • Publisher | 23 Nov 1994←7 Years→30 Nov 2001 | Active | |
| The British Museum Company Limited Director • Unreported | 23 Nov 1994←7 Years→30 Nov 2001 | Active | |
| New English Library Limited Director • Publisher | 14 Jul 1993←1 Month→31 Aug 1993 | Dissolved | |
| Hachette UK Limited Director • Director | 30 Jun 1993←1 Month→26 Aug 1993 | Active | |
| Edward Arnold (Publishers) Limited Director • Publishing | 25 Jun 1993←2 Months→31 Aug 1993 | Dissolved | |
| Hodder & Stoughton Limited Director • Chief Executive | 13 Oct 1991←1 Year 10 Months→31 Aug 1993 | Active | |
