# O'BRIEN, Mark Andrew

## Details

- **Born:** 9/1968
- **Nationality:** Canadian
- **Appointments:** 1 (1 active)
- **Control:** 0 holdings


## Appointments

| Company | Role | Appointed | Resigned |
|---|---|---|---|
| [Ultramagnetic Research Limited](/company/16812780) | director | 27 Oct 2025 |  |
| [Ranch.inc Ltd](/company/16677445) | director | 28 Aug 2025 |  |