| Company | Timeline | Status | |
| Cowbridge Physic Garden Trust Limited Director • Retired Information Scientist | 10 Mar 2009←16 Years→Current | Active | |
| Ymddiriedolaeth Gerddi Hanesyddol Cymru - Welsh Historic Gardens Trust Director • Retired | 9 Jun 2001←5 Years→24 Jun 2006 | Active | |
