| Company | Timeline | Status | |
| IBM North Region Holdings Director • Director | 5 Nov 2004←6 Years→31 Jan 2011 | Active | |
| International Business Machines Limited Director • Director | 5 Nov 2004←6 Years→22 Sep 2011 | Active | |
| Software Sciences Limited Director • Director | 5 Nov 2004←6 Years→25 Jul 2011 | Dissolved | |
| Data Sciences Limited Director • Director | 5 Nov 2004←6 Years→22 Sep 2011 | Dissolved | |
| Data Sciences UK Limited Director • Director | 5 Nov 2004←6 Years→22 Sep 2011 | Dissolved | |
| IBM United Kingdom Limited Director • Director | 5 Nov 2004←6 Years→31 Jan 2011 | Active | |
| IBM United Kingdom Holdings Limited Director • Director | 5 Nov 2004←6 Years→31 Jan 2011 | Active | |
It Forum Foundation Limited Director • Director Availability Services | 21 Mar 1996←11 Months→28 Feb 1997 | Dissolved | |
| Kerbcare Limited Director • Vice President | 17 Dec 1993←10 Years→31 Mar 2004 | Active | |
| Kerbcare Limited Secretary • Executive Assistant | 17 Dec 1993←6 Years→5 Nov 2000 | Active | |
