| Company | Timeline | Status | |
| The British Archaeological Association Director • Unreported | 1 Oct 2008←8 Years→14 Dec 2016 | Active | |
| The British Archaeological Association Director • Unreported | 4 Oct 2000←3 Years→8 Oct 2003 | Active | |
| Society Of Architectural Historians Of Great Britain(The) Director • Architectural Historian | 7 Sep 2000←2 Years 12 Months→4 Sep 2003 | Active | |
