| Company | Timeline | Status | |
| British Academy Of Audiology Director • Consultant Clinical Scientist | 31 Mar 2004←3 Years→23 Nov 2007 | Active | |
Hearing & Audiology Services Limited Director • Professor In Audiology | 27 Mar 2002←5 Years→29 Apr 2007 | Dissolved | |
Hearing & Audiology Services Limited Secretary • Professor In Audiology | 27 Mar 2002←5 Years→29 Apr 2007 | Dissolved | |
