| Company | Timeline | Status | |
| Waymap Limited Director • Non-executive Director | 12 Nov 2020←5 Years→Current | Active | |
| Vision Charity Director • Retired | 1 Feb 2017←5 Years→31 Dec 2022 | Active | |
| Kyekus Limited Director • Retired | 1 Jan 2017←6 Years→31 Dec 2022 | Active | |
| Carbon Trust International Limited Director • Company Director | 3 Sep 2009←3 Years→27 Sep 2012 | Active | |
| The Royal Society For Blind Children Director • Chartered Engineer | 7 Nov 2006←16 Years→31 Dec 2022 | Active | |
| Carbon Trust Enterprises Limited Director • Company Director | 31 Jan 2006←6 Years→27 Sep 2012 | Active | |
| Chemical Industries Association Limited Director • Director | 1 Mar 2005←5 Years→23 Sep 2010 | Active | |
| Carbon Trust Investments Limited Director • Company Director | 26 Mar 2003←9 Years→27 Sep 2012 | Active | |
| The Carbon Trust Director • Company Director | 29 Mar 2001←11 Years→27 Sep 2012 | Active | |
| Johnson Matthey (Nominees) Limited Director • It/hr Director | 1 Aug 1999←11 Years→11 Apr 2011 | Active | |
