| Company | Timeline | Status | |
| The Great Haseley Windmill Trust Director • Retired | 28 Mar 2013←8 Years→5 Jul 2021 | Active | |
| Sylva Foundation Director • Ertired, Company Director | 9 May 2008←9 Years→10 Jul 2017 | Active | |
| Synaptica Limited Secretary • Writer | 4 Nov 2005←4 Years→3 Sep 2010 | Dissolved | |
| Synaptica Limited Director • Writer | 28 Nov 2003←17 Years→10 Aug 2021 | Dissolved | |
