| Company | Timeline | Status | |
| Croydon Natural History And Scientific Society Limited Director • Unreported | 16 Jan 2026←10 Days→Current | Active | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Unreported | 1 Mar 2018←6 Years→29 Feb 2024 | Active | |
| International Association Of Classification Societies Limited Director • Unreported | 17 Jun 2009←1 Year→24 Jun 2010 | Active | |
| Young Engineers Director • Unreported | 22 Aug 2000←4 Years→12 Jan 2005 | Dissolved | |
| Marine Management (Holdings) Limited Director • Chartered Engineer | 27 Oct 1993←12 Months→26 Oct 1994 | Active | |
