| Company | Timeline | Status | |
| Sloan Water Technology Limited Director • Professor | 11 Feb 2019←6 Years→Current | Active | |
| Institute Of Acoustics Limited (The) Director • University Professor | 13 May 2004←3 Years→5 Jun 2007 | Active | |
| Institute Of Acoustics Limited (The) Director • University Professor | 17 Apr 2000←3 Years→15 May 2003 | Active | |
