| Company | Timeline | Status | |
| Koppers UK Holding Limited Director • Vice President | 1 Mar 2014←11 Years→Current | Active | |
| Koppers UK Limited Director • Vice President | 1 Mar 2014←11 Years→Current | Active | |
| KSC (Port Clarence) Ltd Director • Vice President | 1 Mar 2014←4 Years→18 Sep 2018 | Active | |
