| Company | Timeline | Status | |
| Greenwood Place Management Company Limited Director • Managing Director | 19 Apr 2007←5 Years→13 Dec 2012 | Active | |
Teledyne TSS Limited Director • Managing Director | 1 Jun 2005←2 Years 8 Months→31 Jan 2008 | Dissolved | |
Teledyne S G Brown Limited Director • Managing Director | 12 May 2005←2 Years 8 Months→31 Jan 2008 | Dissolved | |
