| Company | Timeline | Status | |
| Surrey Archaeological Society Director • Unreported | 1 Jan 2000←3 Years→22 Nov 2003 | Active | |
| Surrey Archaeological Society Director • Unreported | 1 Jan 1995←4 Years→31 Dec 1998 | Active | |
| Surrey Archaeological Society Director • Industrial Chemist | 21 Dec 1991←2 Years→31 Dec 1993 | Active | |
| Surrey Archaeological Society Director • Unreported | 1 Jan 1970←24 Years→31 Dec 1993 | Active | |
