# CALLAN, John, Professor

## Details

- **Born:** 3/1973
- **Nationality:** British
- **Appointments:** 2 (1 active)
- **Control:** 0 holdings


## Appointments

| Company | Role | Appointed | Resigned |
|---|---|---|---|
| [Sonotarg Holdings Limited](/company/13952782) | director | 3 Mar 2022 | 31 Aug 2025 |
| [Calo Scientific Ltd](/company/NI727929) | director | 28 Mar 2025 |  |




## Possibly the same person

- [Professor John Callan](/person/2357795) (0 appointments, 4 holdings)