| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Ringger und Bolt AG für Liegenschaftenverwaltungen | 🇨🇭Switzerland | Activa | 11/10/2016 – presente |
| Cargo | Ringger Tanner Partner AG | 🇨🇭Switzerland | Activa | 3/5/2016 – presente |
| Cargo | Ringger + Bolt Verwaltungen AG | 🇨🇭Switzerland | Activa | 25/2/2026 – presente |
11/10/2016
appointed
3/5/2016
appointed