| Company | Timeline | Status | |
| Ecometrica Limited Director • Unreported | 11 Apr 2008←2 Years 5 Months→1 Oct 2010 | Active | |
| Bes Trading Company Limited Director • Professor | 18 Sep 2002←2 Years→11 Oct 2004 | Active | |
| British Ecological Society(The) Director • Scientist Academic | 4 Jan 2001←3 Years→8 Sep 2004 | Active | |
