| Company | Timeline | Status | |
| Association For Industrial Archaeology Director • Retired | 6 Sep 2015←2 Years 1 Month→1 Nov 2017 | Active | |
| North Yorkshire Moors Railway Trust Director • Retired | 6 Feb 2010←7 Years→23 Sep 2017 | Active | |
| Association For Industrial Archaeology Director • Retired | 12 Aug 2007←7 Years→7 Sep 2014 | Active | |
