| Company | Timeline | Status | |
| Special Imaging Services Limited Director • University Lecturer | 9 Apr 2005←16 Years→7 Dec 2021 | Active | |
| Special Imaging Services Limited Secretary • University Lecturer | 9 Apr 2005←16 Years→1 Dec 2021 | Active | |
Sarsen Digital Video Limited Director • Director | 21 Sep 2000←14 Years→14 Oct 2014 | Dissolved | |
| IMS Health Networks Limited Director • Company Director | 5 Feb 1992←7 Months→30 Sep 1992 | Active | |
