| Company | Timeline | Status | |
| Glass Technology Services Ltd Director • Scientist | 11 Feb 1994←4 Years→1 May 1998 | Active | |
| The British Glass Manufacturers Confederation Director • Chief Research Scientist | 29 Nov 1991←6 Years→24 Apr 1998 | Active | |
| The British Glass Manufacturers Confederation Director • Unreported | 1 Jan 1970←28 Years→24 Apr 1998 | Active | |
