| Company | Timeline | Status | |
| Ridge Court Management Company Limited Director • Retired | 24 Nov 1995←13 Years→5 May 2009 | Active | |
| John J. Alexander & Co. Limited Director • Director | 25 Jun 1991←17 Years→5 May 2009 | Active | |
| John J. Alexander & Co. Limited Secretary • Unreported | 25 Jun 1991←17 Years→5 May 2009 | Active | |
