| Company | Timeline | Status | |
| The Architectural History Practice Limited Secretary • Architectural Historian  | 1 Jan 2008←10 Years→15 Mar 2018  | Active  | |
| Society Of Architectural Historians Of Great Britain(The) Director • Architectural Historian  | 28 Sep 2005←2 Years 11 Months→4 Sep 2008  | Active  | |
| Wilton's Music Hall Director • Architectural Historian  | 11 Jul 2005←11 Years→11 Nov 2016  | Active  | |
| The Architectural History Practice Limited Director • Architectural Historian  | 26 Jan 1999←19 Years→15 Mar 2018  | Active  | |
| Society Of Architectural Historians Of Great Britain(The) Director • Inspector Of Historic Buildings  | 18 Sep 1991←3 Years→7 Nov 1994  | Active  | |
