| Company | Timeline | Status | |
| Iea Environmental Projects Limited Director • General Manager | 21 May 2014←11 Years→Current | Active | |
| Iea Coal Research Limited Director • General Manager | 21 May 2014←11 Years→Current | Active | |
| Iea Environmental Projects Limited Director • General Manager | 21 May 2014←11 Years→1 Sep 2025 | Active | |
| Iea Coal Research Limited Director • General Manager | 21 May 2014←11 Years→1 Sep 2025 | Active | |
