| Company | Timeline | Status | |
| I.H.S. Trading Company Ltd Director • Unreported | 20 Oct 2021←4 Years→Current | Active | |
| International Headache Society Director • Unreported | 6 Sep 2019←6 Years→Current | Active | |
| MT International Symposium Limited Director • Doctor | 15 Aug 2017←4 Years→20 Oct 2021 | Active | |
| Migrainecare Limited Director • Unreported | 9 Aug 2016←9 Years→Current | Active | |
| International Headache Society Director • Doctor | 11 Apr 2016←1 Year 5 Months→8 Sep 2017 | Active | |
Ehmtic Limited Director • Doctor | 8 Feb 2011←8 Years→28 May 2019 | Dissolved | |
| The Migraine Trust Director • Doctor | 26 Oct 2010←10 Years→20 Oct 2021 | Active | |
| The British Association For The Study Of Headache Secretary • Vice Chair Post | 8 Dec 2005←2 Years 9 Months→5 Sep 2008 | Active | |
| The British Association For The Study Of Headache Director • Doctor | 21 Sep 2004←17 Years→22 Sep 2021 | Active | |
