| Company | Timeline | Status | |
| Poltair Vale Management Company Limited Director • None | 20 Mar 2012←4 Years→22 Dec 2016 | Active | |
| The Chilterns Management Company Limited Director • Executive Director | 17 Mar 2003←10 Years→2 May 2013 | Active | |
| Pro-Natura UK Secretary • Scientist | 27 Nov 2001←14 Years→16 Aug 2016 | Active | |
| Pro-Natura UK Director • Scientist | 14 Aug 2001←3 Months→27 Nov 2001 | Active | |
