| Company | Timeline | Status | |
| The Sussex Archaeological Society Director • Consultant | 18 May 1996←1 Year 5 Months→1 Nov 1997 | Active | |
| International Council Of Museums (United Kingdom) Director • Consultant | 17 Feb 1993←5 Years→3 Jul 1998 | Converted/Closed | |
| Museums Galleries Scotland Secretary • Unreported | 18 Jan 1990←4 Years→4 Nov 1994 | Active | |
