| Company | Timeline | Status | |
Hydro-Gen Designs Limited Director • Director | 27 Jun 2013←1 Year 7 Months→10 Feb 2015 | Dissolved | |
| Henry George Foundation Of Great Britain Director • Retired | 25 Jan 2008←1 Year 8 Months→26 Sep 2009 | Active | |
| Henry George Foundation Of Great Britain Director • Lecturer In Civil Engineering | 20 Apr 1995←5 Years→5 Nov 2000 | Active | |
