| Company | Timeline | Status | |
| The Independent Schools Association Director • Headmaster | 11 May 2000←6 Months→5 Dec 2000 | Active | |
| Rolt (Sidcup) Management Company Limited Director • Headmaster | 1 Jun 1995←5 Years→31 Jan 2001 | Active | |
| Rolt (Sidcup) Management Company Limited Director • Headmaster | 31 Dec 1992←1 Year 5 Months→20 Jun 1994 | Active | |
