| Company | Timeline | Status | |
| Colart International Holdings Limited Director • Company Director  | 1 Jun 2000←4 Years→30 Jun 2004  | Active  | |
| Colart Contract Manufacturing Limited Director • Vice Chairman Wilhelm Becker S  | 9 Nov 1992←1 Year 10 Months→20 Sep 1994  | Dissolved  | |
| Colart Group Holdings Limited Director • Director  | 28 Oct 1992←3 Years→2 Nov 1995  | Active  | |
| Stow Limited Director • Company Director/president  | 1 Sep 1992←3 Years→18 Oct 1995  | Active  | |
| Bulten Limited Director • Manager  | 1 Oct 1991←3 Years→11 Oct 1994  | Active  | |
