| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | SINOPER LTD | 🇬🇧Regno Unito | Active | 04/01/2026 – present |
| Officer | SLINGSBY HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 03/06/2026 – 17/09/2020 |
| Officer | AEROACADEMY LIMITED | 🇬🇧Regno Unito | Dissolved | 24/12/2025 – 17/09/2020 |
| Officer | MARSHALL ADG LTD | 🇬🇧Regno Unito | Active | 22/04/2026 – 17/09/2020 |
| Officer | MARSHALL MIDDLE EAST LIMITED | 🇬🇧Regno Unito | Active | 07/05/2026 – 17/09/2020 |
| Officer | MARSHALL LAND SYSTEMS LTD | 🇬🇧Regno Unito | Active | 18/04/2026 – 17/09/2020 |
| Officer | MARSHALL AIRCRAFT SALES LIMITED | — | Dissolved | 06/05/2026 – 17/09/2020 |
| Officer | AQUILA AIR TRAFFIC MANAGEMENT SERVICES LIMITED | 🇬🇧Regno Unito | Active | 08/05/2026 – 29/11/2016 |
| Officer | NETWORK INFORMATION SERVICES LTD | 🇬🇧Regno Unito | Active | 23/05/2026 – 17/10/2016 |
29/05/2026
Uk → Scotland
23/05/2026
Scotland → Uk
13/06/2011
appointed