| Company | Timeline | Status | |
| The British Archaeological Association Director • Unreported | 6 Oct 2004←11 Years→3 Feb 2016 | Active | |
| Society Of Architectural Historians Of Great Britain(The) Director • University Lecturer | 7 Sep 2000←3 Years→1 Sep 2004 | Active | |
| Society Of Architectural Historians Of Great Britain(The) Director • University Lecturer | 18 Sep 1991←11 Months→10 Sep 1992 | Active | |
