| Company | Timeline | Status | |
| Gresham Books Limited Director • Publisher  | 30 Sep 1999←9 Years→1 May 2009  | Active  | |
| Gresham Books Limited Secretary • Publishing Consultant  | 30 Sep 1999←9 Years→1 May 2009  | Active  | |
Pearson Heinemann Limited Director • Managing Director  | 25 Jun 1996←1 Year 1 Month→31 Jul 1997  | Dissolved  | |
Reed Educational Publishing Limited Director • Company Director  | 31 Jul 1991←1 Year 5 Months→31 Dec 1992  | Dissolved  | |
