| Company | Timeline | Status | |
Humphrys Education Limited Director • Retired | 5 Dec 2002←18 Years→17 Dec 2020 | Dissolved | |
| Margaret Allen Foundation Director • Retired Deputy Headmistress | 15 Dec 1992←1 Year 10 Months→13 Oct 1994 | Active | |
| Margaret Allen Foundation Director • Unreported | 1 Jan 1970←24 Years→13 Oct 1994 | Active | |
