| Company | Timeline | Status | |
International Leadership School In Scotland Limited Director • Consultant | 17 Mar 2011←4 Years→10 Nov 2015 | Dissolved | |
| Royal Scottish National Orchestra Society (Properties) Limited Director • Consultant | 4 Sep 2009←5 Years→28 Aug 2015 | Active | |
| The Lang Consultancy Limited Director • Business Consultant | 10 Oct 2008←12 Years→22 Jun 2021 | Dissolved | |
| Royal Scottish National Orchestra Society Limited Director • University Principal | 22 Aug 2008←7 Years→28 Aug 2015 | Active | |
University Of St Andrews Gateway Limited Director • University Principal | 16 Jan 2004←4 Years→31 Dec 2008 | Dissolved | |
| Scottish Enterprise Fife Director • Principal & Vice Chancellor | 11 Aug 2003←4 Years→31 Mar 2008 | Active | |
| St. Leonards School Director • University Principal | 14 May 2001←7 Years→30 Nov 2008 | Active | |
