| Company | Timeline | Status | |
| Research For Sustainability Limited Director • Consultant  | 28 May 2008←17 Years→Current  | Active  | |
| Masstech (Europe) Limited Director • Environmental Consultant  | 31 Mar 2003←6 Years→4 Oct 2009  | Active  | |
| Masstech International Limited Director • University Professor  | 3 Feb 1995←14 Years→23 Jun 2009  | Active  | |
