| Роль | Компания | Страна | Статус | Диапазон дат |
|---|---|---|---|---|
| Офицер | JOHN HAMPDEN GRAMMAR SCHOOL | 🇬🇧United Kingdom | Активный | 23/05/2026 – 31/08/2021 |
| Офицер | THE LEARNING ALLIANCE ACADEMY TRUST | 🇬🇧United Kingdom | Растворенный | 22/05/2026 – 26/03/2018 |
| Офицер | THE CHILTERN HILLS ACADEMY | 🇬🇧United Kingdom | Активный | 22/05/2026 – 08/05/2012 |
| Офицер | ROYAL GRAMMAR SCHOOL HIGH WYCOMBE | — | Активный | 24/05/2026 – 31/08/2017 |
| Офицер | ALAN ARMSTRONG EDUCATIONAL SERVICES LIMITED | — | Растворенный | 01/06/2026 – настоящее |
31/08/2021
resigned
01/08/2019
appointed
02/03/2009
appointed