| Company | Timeline | Status | |
The Tree Advice Trust Secretary • Unreported | 26 Feb 1993←5 Years→21 Jul 1998 | Dissolved | |
| Tree Council(The) Director • Retired | 9 Nov 1991←11 Years→14 Oct 2003 | Active | |
| Tree Council(The) Director • Unreported | 1 Jan 1970←33 Years→14 Oct 2003 | Active | |
