| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | JOHN HAMPDEN GRAMMAR SCHOOL | 🇬🇧Regno Unito | Active | 23/05/2026 – 31/08/2021 |
| Officer | THE LEARNING ALLIANCE ACADEMY TRUST | 🇬🇧Regno Unito | Dissolved | 22/05/2026 – 26/03/2018 |
| Officer | THE CHILTERN HILLS ACADEMY | 🇬🇧Regno Unito | Active | 22/05/2026 – 08/05/2012 |
| Officer | ROYAL GRAMMAR SCHOOL HIGH WYCOMBE | — | Active | 24/05/2026 – 31/08/2017 |
| Officer | ALAN ARMSTRONG EDUCATIONAL SERVICES LIMITED | — | Dissolved | 01/06/2026 – present |
31/08/2021
resigned
01/08/2019
appointed
02/03/2009
appointed