| Company | Timeline | Status | |
| Donaldson Filtration (GB) Limited Director • Director | 2 Mar 2000←5 Years→5 Apr 2005 | Active | |
| Tetratec Europe Limited Director • Managing Director | 26 Jan 1996←9 Years→5 Apr 2005 | Active | |
| Donaldson Filter Components Limited Director • Managing Director | 19 Feb 1991←14 Years→5 Apr 2005 | Active | |
