| Company | Timeline | Status | |
| The Tweed Foundation Director • None | 3 Nov 2009←8 Years→23 Apr 2018 | Active | |
| The Gorilla Organization Director • Retired | 3 Nov 2006←3 Years→26 Apr 2010 | Active | |
| Nationaltrust For Scotland Enterprises Ltd Director • Chairman | 15 Sep 2004←1 Year→24 Sep 2005 | Active | |
| Dynamic Earth Services Limited Director • Retired | 4 Dec 1998←1 Year 3 Months→7 Mar 2000 | Dissolved | |
| Dynamic Earth Enterprises Limited Director • Professor | 4 Dec 1998←1 Year 2 Months→22 Feb 2000 | Active | |
| Dynamic Earth Charitable Trust Director • Professor | 4 Dec 1998←13 Years→31 May 2012 | Active | |
| Fauna & Flora International Director • Director Zoological Society Of Sedtew | 1 Jan 1993←1 Year 12 Months→31 Dec 1994 | Active | |
| Zoo Operations Limited Director • Director Of Zoological Garden | 30 Sep 1992←2 Months→4 Dec 1992 | Dissolved | |
| ARK Enterprises Limited Secretary • Unreported | 23 Nov 1991←7 Years→30 Nov 1998 | Active | |
