| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | INFORMA TECH RESEARCH LIMITED | 🇬🇧United Kingdom | Active | 10/04/2026 – 06/11/2024 |
| Officer | INFORMA FINANCE AUSTRALIA LIMITED | 🇬🇧United Kingdom | Active | 01/04/2026 – present |
| Officer | INFORMA FINANCE MEXICO LIMITED | 🇬🇧United Kingdom | Active | 02/04/2026 – present |
| Officer | INFORMA FINANCE BRAZIL LIMITED | 🇬🇧United Kingdom | Active | 02/04/2026 – present |
| Officer | INFORMA FINANCE EGYPT LIMITED | 🇬🇧United Kingdom | Active | 01/04/2026 – present |
| Officer | UBMG HOLDINGS | 🇬🇧United Kingdom | Active | 02/04/2026 – present |
| Officer | DOVE MEDICAL PRESS LIMITED | 🇬🇧United Kingdom | Active | 01/04/2026 – present |
| Officer | COLWIZ UK LIMITED | — | Active | 18/05/2026 – present |
| Officer | FUTURUM MEDIA LIMITED | 🇬🇧United Kingdom | Active | 03/02/2026 – present |
| Officer | INFORMA KNECT 365 DEVELOPMENT LIMITED | 🇬🇧United Kingdom | Dissolved | 23/04/2026 – present |
| Officer | INFORMA GE DEVELOPMENT LIMITED | 🇬🇧United Kingdom | Dissolved | 23/04/2026 – present |
| Officer | INFORMA AP DEVELOPMENT LIMITED | 🇬🇧United Kingdom | Dissolved | 23/04/2026 – present |
| Officer | PENTON COMMUNICATIONS EUROPE LIMITED | 🇬🇧United Kingdom | Active | 02/04/2026 – present |
| Officer | MRO NETWORK LIMITED | 🇬🇧United Kingdom | Dissolved | 07/05/2026 – present |
| Officer | TU-AUTOMOTIVE LIMITED | — | Active | 02/05/2026 – present |
| Officer | TU-AUTOMOTIVE HOLDINGS LIMITED | — | Dissolved | 01/05/2026 – 02/04/2025 |
| Officer | MRO EXHIBITIONS LIMITED | 🇬🇧United Kingdom | Active | 06/05/2026 – present |
| Officer | INFORMA GE (IRAN) LIMITED | — | Dissolved | 23/04/2026 – present |
| Officer | INFORMA AP (IRAN) LIMITED | 🇬🇧United Kingdom | Dissolved | 23/04/2026 – present |
| Officer | LIGHT READING UK LIMITED | 🇬🇧United Kingdom | Active | 12/05/2026 – present |
| Officer | LION LEGAL PUBLICATIONS LIMITED | 🇬🇧United Kingdom | Dissolved | 02/05/2026 – present |
| Officer | BRICK SHOWS LIMITED | — | Dissolved | 12/05/2026 – present |
| Officer | INFORMA US HOLDINGS LIMITED | — | Active | 07/05/2026 – present |
| Officer | DESIGN JUNCTION LIMITED | — | Dissolved | 23/05/2026 – 02/04/2025 |
| Officer | INFORMA PLC | — | Active | 19/02/2026 – present |
| Officer | INFORMA FINANCE USA LIMITED | 🇬🇧United Kingdom | Active | 13/03/2026 – present |
| Officer | CITYSCAPE EXHIBITIONS LIMITED | — | Dissolved | 13/05/2026 – present |
| Officer | INFORMA FINANCE UK LIMITED | — | Dissolved | 13/05/2026 – present |
| Officer | APPS WORLD EVENTS LIMITED | 🇬🇧United Kingdom | Dissolved | 02/06/2026 – present |
| Officer | PSYCHOLOGY PRESS NEW CO LIMITED | — | Dissolved | 14/05/2026 – present |
| Officer | COGENT OA LIMITED | — | Dissolved | 14/05/2026 – present |
| Officer | ACHIEVEFORUM (UK) LIMITED | 🇬🇧United Kingdom | Proposal to strike off | 13/05/2026 – 30/09/2013 |
| Officer | POINT ZERO MEDIA LIMITED | 🇬🇧United Kingdom | Dissolved | 21/05/2026 – present |
| Officer | KEYNOTE WORLD MEDIA LIMITED | 🇬🇧United Kingdom | Dissolved | 01/06/2026 – present |
| Officer | INFORMA EXHIBITIONS LIMITED | 🇬🇧United Kingdom | Active | 01/05/2026 – present |
| Officer | INFORMA HEALTHCARE LIMITED | — | Dissolved | 06/06/2026 – present |
| Officer | IBC (TEN) LIMITED | 🇬🇧United Kingdom | Active | 13/03/2026 – present |
| Officer | IBC (TWELVE) LIMITED | 🇬🇧United Kingdom | Active | 01/06/2026 – present |
| Officer | TAYLOR & FRANCIS LIMITED | 🇬🇧United Kingdom | Active | 03/02/2026 – present |
| Officer | INFORMA ACQUISITIONS FINANCE LIMITED | — | Dissolved | 07/06/2026 – present |
| Officer | AFTERHURST LIMITED | 🇬🇧United Kingdom | Active | 03/02/2026 – present |
| Officer | INFORMA ACQUISITIONS (HOLDINGS) LIMITED | — | Dissolved | 08/06/2026 – present |
| Officer | INFORMA GROUP HOLDINGS LIMITED | — | Active | 31/05/2026 – present |
| Officer | MILLER HEIMAN GROUP (UK) LIMITED | 🇬🇧United Kingdom | Active | 13/05/2026 – 30/09/2013 |
| Officer | BARHAM PHOTOGRAPHIC LIMITED | 🇬🇧United Kingdom | Dissolved | 03/02/2026 – present |
| Officer | INFORMA THREE LIMITED | 🇬🇧United Kingdom | Active | 13/03/2026 – present |
| Officer | TAYLOR & FRANCIS BOOKS LIMITED | 🇬🇧United Kingdom | Active | 04/02/2026 – present |
| Officer | TAYLOR & FRANCIS GROUP LIMITED | 🇬🇧United Kingdom | Active | 13/03/2026 – present |
| Officer | INFORMA SIX LIMITED | 🇬🇧United Kingdom | Active | 13/03/2026 – present |
| Officer | INFORMA OVERSEAS INVESTMENTS LIMITED | 🇬🇧United Kingdom | Active | 13/03/2026 – present |
04/02/2026
United Kingdom → England
02/04/2025
resigned
31/03/2010
appointed