| Company | Timeline | Status | |
| Chembiotech Limited Secretary • Scientist | 4 Mar 1998←1 Year 2 Months→28 May 1999 | Active | |
| Chembiotech Limited Director • Scientist | 31 Dec 1991←15 Years→30 Jun 2007 | Active | |
| Vincent Kennedy Limited Secretary • Unreported | 31 Dec 1991←7 Years→13 Jul 1999 | Active | |
| The Food Hydrocolloids Trust Director • Educational And Research Scientist | 20 Nov 1991←11 Months→15 Oct 1992 | Active | |
