| Company | Timeline | Status | |
| Heartwize Director • Medical Practitioner | 13 Aug 2018←7 Years→Current | Active | |
Doug Skehan Cardiology Limited Director • Cardiologist | 12 Apr 2011←6 Years→22 Aug 2017 | Dissolved | |
| The Society For Cardiac Science And Technology Ltd Director • Cardiologist | 24 May 1998←6 Years→23 May 2004 | Active | |
