| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | BLACKSTONE HOUSE PUBLICATIONS LTD | — | Active | 26/06/2024 – present |
| Person with significant control | BLACKSTONE HOUSE LIMITED | — | Active | 20/06/2024 – present |
| Officer | BLACKSTONE HOUSE PUBLICATIONS LTD | — | Active | 21/04/2026 – present |
| Officer | BLACKSTONE HOUSE LIMITED | — | Active | 23/02/2026 – present |
06/04/2016
appointed
18/04/2011
appointed
22/02/2011
appointed