| Company | Timeline | Status | |
| Bruel & Kjaer VTS Limited Director • Executive Vice President | 28 Aug 1998←3 Months→1 Dec 1998 | Active | |
| Radiodetection Limited Director • Executive Vice President | 19 Jun 1998←5 Months→1 Dec 1998 | Active | |
| UD-RD Holding Company Limited Director • Executive Vice President | 17 Feb 1998←9 Months→1 Dec 1998 | Active | |
| Bomag (Great Britain) Limited Director • Certified Public Accountant | 21 Aug 1991←10 Years→21 Dec 2001 | Active | |
