| Company | Timeline | Status | |
| Porthan Limited Director • Chemical Engineer | 1 Jun 1993←2 Years 10 Months→19 Apr 1996 | Active | |
| Energy Action Scotland Director • Chemical Engineer | 5 Sep 1991←4 Years→24 Nov 1995 | Active | |
| Renewable UK Association Director • Chemical Engineer | 21 Jun 1991←3 Years→5 Feb 1995 | Active | |
| Strathclyde University Incubator Limited Director • Chemical Engineer | 10 Jul 1990←20 Years→19 Jan 2011 | Active | |
