| Company | Timeline | Status | |
| Yorkshire Wildlife Trust Director • Museum Keeper | 25 Oct 1997←2 Years 11 Months→16 Oct 2000 | Active | |
| Yorkshire Wildlife Trust Director • Museum Administrator | 1 Jan 1993←1 Year 11 Months→14 Dec 1994 | Active | |
| Museums Association(The) Director • Unreported | 11 Dec 1991←2 Years 9 Months→13 Sep 1994 | Active | |
