| Company | Timeline | Status | |
| Council For Learning Outside The Classroom Director • Professor Of Science And Environmental E | 10 Nov 2011←14 Years→Current | Active | |
| Sustainability And Environmental Education Director • University Lecturer | 6 Mar 2009←2 Years 7 Months→4 Oct 2011 | Active | |
| Field Studies Council Director • University Lecturer | 19 Jul 2008←1 Year 10 Months→5 Jun 2010 | Active | |
Justin Dillon Associates Limited Director • Company Director | 15 Jul 2003←15 Years→18 Jun 2019 | Dissolved | |
| Bankside Open Spaces Trust Secretary • Unreported | 27 Feb 2003←12 Years→24 Feb 2015 | Active | |
| Bankside Open Spaces Trust Director • University Lecturer | 25 Jul 2000←14 Years→24 Feb 2015 | Active | |
| London Wildlife Trust(The) Director • Professor Of Science And Environmental E | 15 Nov 1999←11 Years→22 Oct 2011 | Active | |
