| Company | Timeline | Status | |
| Fair Isle Bird Observatory Trust (The) Director • Unreported | 18 May 1997←6 Years→1 Jun 2003 | Active | |
| Durham Wildlife Trust Director • Accountant | 25 Nov 1991←11 Months→7 Nov 1992 | Active | |
| Fair Isle Bird Observatory Trust (The) Director • Unreported | 24 Feb 1990←6 Years→19 May 1996 | Active | |
