| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | IPRODE LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 30/09/2020 |
| Person with significant control | INSTITUTION OF ELECTRONIC AND RADIO ENGINEERS 1989 | 🇬🇧Regno Unito | Active | 18/06/2024 – 30/09/2020 |
| Person with significant control | PETER PEREGRINUS LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 30/09/2020 |
| Person with significant control | IEE SERVICES LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – 30/09/2020 |
| Person with significant control | SOCIETY OF ENGINEERS(INCORPORATED)(THE) | 🇬🇧Regno Unito | Active | 18/06/2024 – 30/09/2020 |
| Person with significant control | THE INSTITUTION OF MANUFACTURING ENGINEERS | 🇬🇧Regno Unito | Active | 18/06/2024 – 30/09/2020 |
| Person with significant control | FARADAY COMPUTERS LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – 30/09/2020 |
| Person with significant control | INSPEC LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 30/09/2020 |
| Person with significant control | IET STANDARDS LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 30/09/2020 |
| Person with significant control | IET SERVICES LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 30/09/2020 |
| Person with significant control | IET CONVENTIONS LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 30/09/2020 |
| Person with significant control | THE INSTITUTION OF ELECTRICAL ENGINEERS | 🇬🇧Regno Unito | Active | 19/06/2024 – 30/09/2020 |
30/09/2020
resigned
01/10/2017
appointed