| Company | Timeline | Status | |
| The British Archaeological Association Director • Unreported | 5 May 1993←1 Year 7 Months→7 Dec 1994 | Active | |
| Society Of Architectural Historians Of Great Britain(The) Director • Architectural Historian/civil Servant | 10 Sep 1992←2 Years 12 Months→7 Sep 1995 | Active | |
