| Company | Timeline | Status | |
| Living Solutions Limited Director • Engineer | 19 Mar 2002←11 Months→27 Feb 2003 | Active | |
| Living Solutions Limited Secretary • Engineer | 19 Mar 2002←11 Months→27 Feb 2003 | Active | |
| Ove Arup & Partners Limited Director • Structural Engineer | 1 Oct 1996←11 Years→31 Jul 2008 | Active | |
| Ove Arup & Partners International Limited Director • Structural Engineer | 1 Oct 1996←5 Years→1 Jan 2002 | Active | |
