| Company | Timeline | Status | |
| International Critical Control Rooms Alliance Director • Managing Director | 10 Sep 2018←7 Years→Current | Active | |
| Intergraph (UK) Limited Director • Sales Director | 30 Sep 2017←8 Years→Current | Active | |
| Derry Hill Management Company Limited Director • Ict Account Manager | 30 Nov 2010←14 Years→Current | Active | |
| Derry Hill Management Company Limited Director • Ict Account Manager | 30 Nov 2010←13 Years→20 Aug 2024 | Active | |
