| Company | Timeline | Status | |
| European Headache Federation Director • Professor Of Neurology | 5 Sep 2008←2 Years 1 Month→29 Oct 2010 | Dissolved | |
| European Headache Federation Director • Physitian | 21 Dec 2000←1 Year 6 Months→27 Jun 2002 | Dissolved | |
| International Headache Society Director • Neurologist | 20 May 2000←8 Years→6 Sep 2008 | Active | |
