| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | APOSTO LTD | 🇬🇧Regno Unito | Active | 26/05/2026 – present |
| Officer | MA FINANCIAL MEDIA LTD | 🇬🇧Regno Unito | Active | 19/12/2025 – present |
| Officer | EXPERIENCE STUDIOS LIMITED | 🇬🇧Regno Unito | Active | 26/01/2026 – present |
| Officer | POPULOUS D&B LIMITED | 🇬🇧Regno Unito | Active | 26/01/2026 – present |
| Officer | JUMP ARCHITECTURE & DESIGN LTD | 🇬🇧Regno Unito | Active | 26/01/2026 – present |
| Officer | POPULOUS EVENT (EMEA) LIMITED | 🇬🇧Regno Unito | Active | 06/01/2026 – present |
| Officer | MA EXHIBITIONS LIMITED | 🇬🇧Regno Unito | Active | 10/04/2026 – present |
| Officer | MA AGRICULTURE LIMITED | 🇬🇧Regno Unito | Active | 10/12/2025 – present |
| Officer | POPULOUS LIMITED | 🇬🇧Regno Unito | Active | 26/01/2026 – present |
| Officer | MARK ALLEN HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 10/04/2026 – present |
| Person with significant control | THE RIGBY PARTNERSHIP LIMITED | 🇬🇧Regno Unito | Active | 09/12/2023 – present |
| Officer | INTERCEDE 1001 LIMITED | 🇬🇧Regno Unito | Dissolved | 10/05/2026 – 26/06/2014 |
| Officer | PIMCO (HOLDINGS) LIMITED | — | Dissolved | 18/05/2026 – 26/06/2014 |
| Officer | BETFAIR GROUP LIMITED | 🇬🇧Regno Unito | Active | 05/06/2026 – 02/02/2016 |
| Officer | KEYNOTE WORLD MEDIA LIMITED | 🇬🇧Regno Unito | Dissolved | 01/06/2026 – present |
| Officer | POINT ZERO MEDIA LIMITED | 🇬🇧Regno Unito | Dissolved | 21/05/2026 – present |
| Officer | THE RIGBY PARTNERSHIP LIMITED | 🇬🇧Regno Unito | Active | 11/12/2025 – present |
| Officer | THE RIGBY PARTNERSHIP LIMITED | 🇬🇧Regno Unito | Active | 25/05/2026 – present |
| Officer | PODLAB LIMITED | — | Dissolved | 08/06/2026 – present |
| Officer | CPDCAST.COM LIMITED | — | Dissolved | 08/06/2026 – present |
| Officer | INFORMA GROUP HOLDINGS LIMITED | — | Active | 31/05/2026 – 31/12/2013 |
| Officer | TAYLOR & FRANCIS GROUP LIMITED | 🇬🇧Regno Unito | Active | 13/03/2026 – 31/12/2013 |
| Officer | INFORMA HEALTHCARE LIMITED | — | Dissolved | 06/06/2026 – present |
| Officer | COMPUTERWIRE LIMITED | — | Dissolved | 15/06/2026 – present |
| Officer | MARKETLINE INTERNATIONAL LIMITED | — | Dissolved | 11/06/2026 – present |
| Officer | INFORMA ACQUISITIONS FINANCE LIMITED | — | Dissolved | 07/06/2026 – 17/10/2013 |
| Officer | INFORMA ACQUISITIONS (HOLDINGS) LIMITED | — | Dissolved | 08/06/2026 – 17/10/2013 |
| Officer | DIGITAL MEDIA PUBLISHING LTD | — | Dissolved | 15/06/2026 – present |
| Officer | INFORMA OVERSEAS INVESTMENTS LIMITED | — | Active | 13/03/2026 – 31/12/2013 |
| Officer | MILLER HEIMAN GROUP (UK) LIMITED | 🇬🇧Regno Unito | Active | 13/05/2026 – 30/09/2013 |
| Officer | INFORMA SIX LIMITED | 🇬🇧Regno Unito | Active | 13/03/2026 – 31/12/2013 |
| Officer | INFORMA THREE LIMITED | 🇬🇧Regno Unito | Active | 13/03/2026 – 31/12/2013 |
| Officer | IBC (TEN) LIMITED | 🇬🇧Regno Unito | Active | 13/03/2026 – 31/12/2013 |
| Officer | BARHAM PHOTOGRAPHIC LIMITED | 🇬🇧Regno Unito | Dissolved | 03/02/2026 – present |
06/06/2026
England → Switzerland
05/06/2026
Switzerland → England
22/10/2007
appointed