| Company | Timeline | Status | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Academic | 1 Mar 2025←9 Months→Current | Active | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • University Lecturer | 12 Feb 2014←9 Years→28 Feb 2023 | Active | |
| Historical Metallurgy Society Limited(The) Director • Economist | 10 Jun 2006←2 Years 11 Months→3 Jun 2009 | Active | |
| Historical Metallurgy Society Limited(The) Director • Academic | 10 May 2003←1 Year→15 May 2004 | Active | |
