| Company | Timeline | Status | |
| The Magog Trust Director • Retired | 6 Oct 2007←15 Years→15 Oct 2022 | Active | |
| The Magog Trust Secretary • Retired | 26 Sep 1991←34 Years→Current | Active | |
| The Magog Trust Director • Technical Editor | 26 Sep 1991←12 Years→6 Dec 2003 | Active | |
| The Magog Trust Secretary • Unreported | 1 Jan 1970←55 Years→23 Oct 2025 | Active | |
