| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Auktionshaus & Antiquitäten Carl Rudolf Curiger AG in Liquidation | 🇨🇭Switzerland | Liquidación | 19/12/2024 – presente |
| Cargo | Akribis Treuhand AG | 🇨🇭Switzerland | Activa | 22/8/2017 – presente |
| Cargo | Ermatt AG | 🇨🇭Switzerland | Activa | 27/6/2018 – presente |
4/6/2025
appointed