| Company | Timeline | Status | |
| National Stone Centre(The) Director • Unreported | 17 Jul 2023←2 Years 3 Months→Current | Active | |
| Peak District Mines Historical Society Limited(The) Director • Retired | 10 Jan 2020←5 Years→Current | Active | |
| Peak District Mines Historical Society Limited(The) Director • Retired | 10 Jan 2020←5 Years→16 Apr 2025 | Active | |
| Historical Metallurgy Society Limited(The) Director • Archaeologist | 11 May 2002←2 Years→15 May 2004 | Active | |
| The Pleasley Pit Trust Director • Retired Lecturer | 17 Aug 1999←24 Years→15 May 2024 | Active | |
| Belper North Mill Trust Director • Semi-retired | 20 Apr 1999←3 Months→16 Aug 1999 | Active | |
| Historical Metallurgy Society Limited(The) Director • Retired | 18 Aug 1992←1 Year 9 Months→21 May 1994 | Active | |
