| Company | Timeline | Status | |
| Llanelly House Trust Ltd Director • Consultant And Artist | 9 Apr 2003←1 Year 3 Months→9 Jul 2004 | Active | |
| Artes Mundi Prize Limited Director • Artist And Consultant | 5 Jul 2001←11 Years→31 Dec 2012 | Active | |
| Institute Of Welsh Affairs Director • Artist | 7 Nov 1997←4 Years→23 Nov 2001 | Active | |
| Aberglasney Restoration Trust Director • Artist & Consultant | 13 May 1994←5 Years→19 Oct 1999 | Active | |
| The National Botanic Garden Of Wales Secretary • Unreported | 16 Mar 1994←2 Years 6 Months→13 Sep 1996 | Active | |
| Ymddiriedolaeth Gerddi Hanesyddol Cymru - Welsh Historic Gardens Trust Director • Artist & Consultant | 23 Jun 1993←10 Months→14 May 1994 | Active | |
