| Company | Timeline | Status | |
| Serapias Limited Director • University Lecturer | 20 Mar 2002←1 Year 11 Months→28 Feb 2004 | Active | |
| The Association For Geographic Information Director • University Lecturer | 1 Jan 2001←1 Year 12 Months→31 Dec 2002 | Active | |
| Custom Gis Limited Director • Director | 26 May 2000←25 Years→Current | Active | |
| The Association For Geographic Information Director • Company Director | 21 Nov 1996←3 Years→31 Dec 1999 | Active | |
