| Company | Timeline | Status | |
| Gresham's School Director • Master | 12 Dec 2022←3 Years→Current | Active | |
| Bmat Education Director • The Master | 14 Jan 2019←5 Years→2 Nov 2024 | Active | |
| Haileybury Academy Trust Director • Headteacher | 1 Sep 2018←5 Years→15 Jun 2024 | Active | |
| Heath Mount School Trust Limited Director • Headmaster | 6 Dec 2017←6 Years→31 Aug 2024 | Active | |
| HMC - The Heads' Conference Director • Headmaster | 1 Sep 2017←1 Year 10 Months→10 Jul 2019 | Active | |
| Lochinver House School Director • Headmaster | 28 Jun 2017←6 Years→15 Feb 2024 | Active | |
