| Company | Timeline | Status | |
| HMC - The Heads' Conference Director • Headmaster | 1 Jan 1999←2 Years→31 Dec 2000 | Active | |
| Tolcram Limited Director • Headmaster | 19 Oct 1993←9 Years→1 Jul 2003 | Dissolved | |
| Lime Tree Walk Management Limited Director • Director | 23 Jun 1991←11 Months→15 Jun 1992 | Active | |
