| Company | Timeline | Status | |
| Ayrshire Architectural Heritage Trust Director • Author | 5 Dec 2014←11 Years→Current | Active | |
| Loudoun Valley Trust Director • Freelance Researcher | 18 Nov 1993←4 Years→20 May 1998 | Active | |
| Ayrshire Architectural Heritage Trust Director • Administrator | 10 Dec 1991←1 Day→10 Dec 1991 | Active | |
