| Company | Timeline | Status | |
| The Friends Of Oxford Botanic Garden & Arboretum Director • Retired Academic | 22 Sep 2024←1 Year 1 Month→Current | Active | |
| Clio Enterprises Limited Director • Professor | 18 Nov 2020←4 Years→Current | Active | |
| Clio Enterprises Limited Director • Professor | 18 Nov 2020←3 Years→27 Aug 2024 | Active | |
| British Society For The History Of Science(The) Director • Professor | 5 Oct 2014←2 Years 11 Months→1 Sep 2017 | Active | |
