| Company | Timeline | Status | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Author | 1 Oct 2010←3 Months→31 Dec 2010 | Active | |
| The Plastics Historical Society Limited Director • Author | 23 Jun 2008←1 Year→1 Jul 2009 | Active | |
| 30 Kings Avenue Management Company Limited Director • Author | 10 Jul 2007←14 Years→5 Feb 2022 | Active | |
