# Dr Karl Jon Barnfather

## Details

- **Born:** 6/1964
- **Nationality:** British
- **Appointments:** 0 (0 active)
- **Control:** 2 holdings



## Control

| Company | Nature of control | Notified | Ceased |
|---|---|---|---|
| [Niobium Management Limited](/company/05926722) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 6 Apr 2016 | 3 Nov 2021 |
| [Ectual Ltd](/company/15401189) | ownership-of-shares-75-to-100-percent | 31 Mar 2025 |  |