| Company | Timeline | Status | |
| Koppers UK Investments Ltd Director • Chief Financial Officer | 1 Jan 2022←3 Years→Current | Active | |
| Koppers UK Holding Limited Director • Chief Financial Officer | 1 Jan 2022←3 Years→Current | Active | |
| Koppers UK Transport Limited Director • Chief Financial Officer | 1 Jan 2022←3 Years→Current | Active | |
| Koppers UK Limited Director • Chief Financial Officer | 1 Jan 2022←3 Years→Current | Active | |
