| Company | Timeline | Status | |
| Sinomine Specialty Fluids Limited Director • Facility General Manager | 15 Aug 2019←1 Year 4 Months→19 Dec 2020 | Active | |
| Sinomine Specialty Fluids Limited Director • Facilities General Manager | 10 Jun 2015←4 Years→28 Jun 2019 | Active | |
| Cabot Specialty Fluids North Sea Limited Director • Facilities General Manager | 10 Jun 2015←4 Years→28 Jun 2019 | Dissolved | |
