| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | KING'S CROSS AND ST. PANCRAS BUSINESS PARTNERSHIP LIMITED | 🇬🇧Regno Unito | Active | 20/01/2026 – 22/06/2022 |
| Officer | SPRINGER NATURE TWO LIMITED | 🇬🇧Regno Unito | Dissolved | 23/04/2026 – present |
| Officer | SPRINGER HEALTHCARE LTD. | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | SPRINGER SCIENCE + BUSINESS MEDIA UK LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | STAMPDEW LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | LIVFE LIMITED | 🇬🇧Regno Unito | Dissolved | 01/06/2026 – present |
| Officer | SPRINGER-VERLAG LONDON LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | BIOMED CENTRAL LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | HMT NO. 1 LIMITED | 🇬🇧Regno Unito | Dissolved | 03/05/2026 – present |
| Officer | HMT NO. 2 LIMITED | 🇬🇧Regno Unito | Dissolved | 03/05/2026 – present |
| Officer | DIGITAL ENGLISH LEARNING LIMITED | 🇬🇧Regno Unito | Dissolved | 04/05/2026 – 16/10/2015 |
| Officer | EIGHTEEN70 LIMITED | 🇬🇧Regno Unito | Dissolved | 04/05/2026 – 16/10/2015 |
| Officer | EEDI LTD. | 🇬🇧Regno Unito | Active | 13/02/2026 – 16/10/2015 |
| Officer | ALTMETRIC 2015 LIMITED | 🇬🇧Regno Unito | Active | 05/05/2026 – 09/10/2015 |
| Officer | HOLTZBRINCK PUBLISHING INVESTMENTS LIMITED | 🇬🇧Regno Unito | Active | 09/05/2026 – 01/11/2016 |
| Officer | HOLTZBRINCK INVESTMENT LIMITED | 🇬🇧Regno Unito | Active | 13/04/2026 – 01/11/2016 |
| Officer | SPRINGER NATURE (UK) LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | SPRINGER NATURE PUBLISHERS HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | MACMILLAN SUBSCRIPTIONS LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | — | — | Active | 04/02/2026 – present |
| Officer | MACMILLAN MAGAZINES LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | SIDGWICK & JACKSON,LIMITED | 🇬🇧Regno Unito | Dissolved | 03/02/2026 – present |
| Officer | SPRINGER NATURE LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | MACMILLAN (SLP) GENERAL PARTNER LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | HOLTZBRINCK INVESTMENT HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 21/05/2026 – 09/10/2015 |
| Officer | GILL AND MACMILLAN (UK) LIMITED | 🇬🇧Regno Unito | Active | 27/05/2026 – 01/11/2016 |
| Officer | MACMILLAN REPRESENTATIVES LIMITED | — | Dissolved | 21/05/2026 – present |
| Officer | SPRINGER NATURE HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | MACMILLAN EDUCATION LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | HOLTZBRINCK SCIENCE & TECHNOLOGY LIMITED | 🇬🇧Regno Unito | Active | 16/04/2026 – 09/10/2015 |
| Officer | REPSEV 1 LIMITED | 🇬🇧Regno Unito | Dissolved | 19/05/2026 – present |
| Officer | REPSEV 2 LIMITED | 🇬🇧Regno Unito | Dissolved | 19/05/2026 – present |
| Officer | INFORMA SIX LIMITED | 🇬🇧Regno Unito | Active | 13/03/2026 – 16/09/2011 |
| Officer | IBC (TEN) LIMITED | 🇬🇧Regno Unito | Active | 13/03/2026 – 16/09/2011 |
| Officer | INFORMA THREE LIMITED | 🇬🇧Regno Unito | Active | 13/03/2026 – 16/09/2011 |
| Officer | INFORMA OVERSEAS INVESTMENTS LIMITED | 🇬🇧Regno Unito | Active | 13/03/2026 – 16/09/2011 |
| Officer | TAYLOR & FRANCIS GROUP LIMITED | 🇬🇧Regno Unito | Active | 13/03/2026 – 16/09/2011 |
| Officer | INFORMA HEALTHCARE LIMITED | — | Dissolved | 06/06/2026 – present |
| Officer | BARHAM PHOTOGRAPHIC LIMITED | 🇬🇧Regno Unito | Dissolved | 03/02/2026 – present |
| Officer | MILLER HEIMAN GROUP (UK) LIMITED | 🇬🇧Regno Unito | Active | 13/05/2026 – 16/09/2011 |
| Officer | INFORMA ACQUISITIONS (HOLDINGS) LIMITED | — | Dissolved | 08/06/2026 – 16/09/2011 |
| Officer | INFORMA ACQUISITIONS FINANCE LIMITED | — | Dissolved | 07/06/2026 – 16/09/2011 |
| Officer | INFORMA GROUP HOLDINGS LIMITED | — | Active | 31/05/2026 – 16/09/2011 |
22/06/2022
resigned
12/06/2018
appointed
16/09/2011
resigned