| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Forol Immobilien AG | 🇨🇭Switzerland | Activa | 5/7/2021 – presente |
| Cargo | FOROL Generalunternehmung AG | 🇨🇭Switzerland | Activa | 4/6/2021 – presente |
| Cargo | DKM Investment Group AG | 🇨🇭Switzerland | Activa | 14/6/2021 – presente |
| Cargo | FOROL New Energy AG | 🇨🇭Switzerland | Disuelta | 22/9/2016 – presente |
| Cargo | Ammann & Koller AG | 🇨🇭Switzerland | Activa | 31/10/2019 – presente |
| Cargo | Koller Group Holding AG | 🇨🇭Switzerland | Activa | 4/7/2017 – presente |
| Cargo | Tervi AG | 🇨🇭Switzerland | Disuelta | 16/5/2017 – presente |
| Cargo | Stiftung VitaTertia | 🇨🇭Switzerland | Activa | 21/10/2016 – presente |
| Cargo | Forol Holding AG | 🇨🇭Switzerland | Disuelta | 30/9/2016 – presente |
| Cargo | HFC Investment AG | 🇨🇭Switzerland | Disuelta | 22/9/2016 – presente |
15/7/2024
appointed
12/7/2024
appointed
22/9/2016
appointed