| Company | Timeline | Status | |
| The Kirkstead Education Trust Director • Retired University Lecturer | 3 Apr 2014←6 Years→15 Oct 2020 | Active | |
| Bes Trading Company Limited Director • Research Biologist | 4 Dec 1992←6 Years→5 Jan 1999 | Active | |
| British Ecological Society(The) Director • Research Biologist | 12 Jan 1992←6 Years→6 Jan 1999 | Active | |
