| Company | Timeline | Status | |
| Oilfield Bearing International Limited Director • Company Director | 12 Nov 1998←2 Years 10 Months→24 Sep 2001 | Dissolved | |
Tetra Europe Limited Director • Senior Vp | 2 Mar 1993←1 Year 10 Months→6 Jan 1995 | Dissolved | |
| Tetra Technologies U.K. Limited Director • Vice President | 30 Mar 1992←2 Years 2 Months→1 Jun 1994 | Active | |
