| Company | Timeline | Status | |
| Prior's Field School Trust Limited(The) Director • Master | 20 Mar 1992←1 Year 7 Months→4 Nov 1993 | Active | |
| Surrey Archaeological Society Director • Master Of The Charterhouse | 21 Dec 1991←12 Years→20 Nov 2004 | Active | |
| Lucton Pierrepont School Educational Trust Director • Warden | 9 Jun 1991←4 Years→31 Dec 1995 | Active | |
| Charterhouse - In - Southwark Trustee Company Director • Retired | 22 May 1991←4 Years→31 Oct 1995 | Active | |
| Surrey Archaeological Society Director • Unreported | 1 Jan 1970←34 Years→20 Nov 2004 | Active | |
