| Company | Timeline | Status | |
| The Public Catalogue Foundation Director • Retired | 3 Dec 2007←3 Years→6 Jul 2011 | Active | |
| The Gerald Coke Handel Foundation Director • Art Historian | 15 Nov 2006←2 Years 11 Months→6 Nov 2009 | Active | |
| The Foundling Museum Trading Company Limited Director • None | 13 Nov 2006←5 Years→28 Nov 2011 | Active | |
| Westminster School Society(The) Director • Art Historian | 15 Mar 2005←20 Years→18 Mar 2025 | Active | |
| The Handel House Trust Limited Director • Retired Museum Director | 27 Feb 2002←4 Years→12 Dec 2006 | Active | |
| St Paul's Cathedral Foundation Director • Retired | 28 Sep 2000←4 Years→19 May 2005 | Dissolved | |
| The Foundling Museum Director • Consultant Dcms | 20 Aug 1998←12 Years→31 Aug 2010 | Active | |
| Gilbert Trust For The ARTS Director • Unreported | 31 May 1996←5 Years→11 Jul 2001 | Active | |
| V&A Enterprises Limited Director • Museum Director | 28 Sep 1995←5 Years→30 Apr 2001 | Active | |
| Museums Association(The) Director • Unreported | 15 Sep 1992←2 Years 12 Months→12 Sep 1995 | Active | |
