# Dr Andrew Martin Ridley

## Details

- **Born:** 2/1963
- **Nationality:** British
- **Appointments:** 0 (0 active)
- **Control:** 4 holdings



## Control

| Company | Nature of control | Notified | Ceased |
|---|---|---|---|
| [Geotechnical Observations Limited](/company/03965757) | ownership-of-shares-50-to-75-percent, voting-rights-50-to-75-percent, right-to-appoint-and-remove-directors | 6 Apr 2016 | 17 Sep 2024 |
| [International Society For Soil Mechanics And Geotechnical Engineering Limited](/company/15851131) | voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 22 Jul 2024 | 1 May 2025 |
| [Geotechnical Observations Holdings Limited](/company/15259828) | ownership-of-shares-50-to-75-percent, voting-rights-50-to-75-percent, right-to-appoint-and-remove-directors | 3 Nov 2023 |  |
| [Geotechnical Observations Investments Limited](/company/15259930) | ownership-of-shares-50-to-75-percent, voting-rights-50-to-75-percent, right-to-appoint-and-remove-directors | 3 Nov 2023 |  |