| Company | Timeline | Status | |
| Industrial Diamond Company Limited Director • Company Director | 9 Feb 1993←2 Years 11 Months→31 Jan 1996 | Active | |
| I.D.C. (Holdings) Limited Director • Company Director | 16 Jan 1991←4 Years→22 Sep 1995 | Active | |
| Industrial Diamond Company Limited Director • Unreported | 1 Jan 1970←26 Years→31 Jan 1996 | Active | |
