Dr William John Birch
- Born
- 5/1950
- Nationality
- British
- Control
- 2 holdings
Control
| Company | Nature of control | Notified | Ceased |
|---|---|---|---|
| Blast Log Limited | Ownership Of Shares 25 To 50 Percent Voting Rights 25 To 50 Percent |
6 Apr 2016 | |
| Crofton Carbon Ltd | Ownership Of Shares 25 To 50 Percent Voting Rights 25 To 50 Percent |
24 May 2019 | 8 Jan 2025 |