# WALKER, John Mark

## Details

- **Born:** 5/1973
- **Nationality:** British
- **Appointments:** 1 (0 active)
- **Control:** 0 holdings


## Appointments

| Company | Role | Appointed | Resigned |
|---|---|---|---|
| [Omnicom Health Advertising Limited](/company/07995881) | director | 14 Nov 2022 | 1 Apr 2025 |