| Company | Timeline | Status | |
| Cambridge Past, Present & Future Director • Unreported | 8 Aug 2025←6 Months→Current | Active | |
| Curating Cambridge Ltd Director • Unreported | 4 Jun 2021←4 Years→Current | Active | |
| Challis Fields (Barrington) Management Company Limited Director • Professor Of Botany | 13 Sep 2020←5 Years→Current | Active | |
