| Company | Timeline | Status | |
| Concord College International Limited Director • Retired | 22 May 2017←8 Years→Current | Active | |
| Concord College International Limited Director • Retired | 22 May 2017←7 Years→21 Nov 2024 | Active | |
| The Fairbank Society Director • Retired | 7 Sep 2010←15 Years→Current | Active | |
| Northern Consortium Secretary • Unreported | 9 Feb 1993←6 Years→30 Apr 1999 | Active | |
| Bell Concord Educational Trust Limited(The) Director • Retired | 18 Jan 1992←32 Years→19 Apr 2024 | Active | |
