| Company | Timeline | Status | |
| South Yorkshire Aircraft Museum Director • Retired | 18 Jul 2012←1 Year 4 Months→7 Dec 2013 | Active | |
| The Doncaster 1909 Aeroplane Company Limited Director • Retired | 1 Jun 2001←12 Years→9 Mar 2014 | Active | |
| The Doncaster 1909 Aeroplane Company Limited Secretary • Retired | 8 Mar 1999←15 Years→9 Mar 2014 | Active | |
