| Company | Timeline | Status | |
| International Glaucoma Association Limited(The) Director • Science Media Specialist | 17 Mar 2011←6 Years→24 Mar 2017 | Active | |
| Total Astronomy Limited Director • Unreported | 12 Mar 2002←23 Years→Current | Active | |
| Total Astronomy Limited Secretary • Writer | 12 Mar 2002←23 Years→Current | Active | |
