| Company | Timeline | Status | |
| NBS Biologicals Limited Director • Director & Scientist | 14 Nov 1994←5 Years→22 Sep 2000 | Active | |
| NBS Biologicals Limited Secretary • Director & Scientist | 14 Nov 1994←5 Years→22 Sep 2000 | Active | |
| The Cambridge Pringle Group Director • Managing Director | 14 Sep 1994←3 Years→3 Aug 1998 | Active | |
