| Company | Timeline | Status | |
| Harpenden Secondary Education Trust Director • Headteacher | 29 Sep 2014←7 Years→31 Aug 2022 | Active | |
| Links Multi Academy Trust Director • Headteacher | 16 Jan 2014←8 Years→1 Dec 2022 | Active | |
| Roundwood Park School Academy Trust Director • None | 6 Jul 2011←14 Years→31 Aug 2025 | Active | |
| The Harpenden Secondary Schools Trust Director • Unreported | 16 Nov 2010←14 Years→31 Aug 2025 | Active | |
