| Company | Timeline | Status | |
| Siemens Rail Automation Limited Director • Managing Director | 17 May 1992←1 Month→30 Jun 1992 | Active | |
| Siemens Mobility Limited Director • Director | 17 May 1992←1 Month→30 Jun 1992 | Active | |
| Institution Of Railway Signal Engineers Director • Railway Signal Engineer | 24 Apr 1992←5 Years→3 Apr 1998 | Active | |
| Cubic Transportation Systems Limited Director • Company Director | 26 Mar 1992←3 Months→30 Jun 1992 | Active | |
