| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Hutter Schlosserei Sieber Zäune GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 16/11/2021 – presente |
| Cargo | Valrheno Immobilien AG | 🇨🇭Switzerland | Activa | 16/5/2017 – presente |
| Cargo | Bad Immobilien AG | 🇨🇭Switzerland | Activa | 5/1/2018 – presente |
| Cargo | Remo Sieber Architektur AG | 🇨🇭Switzerland | Disuelta | 1/9/2016 – presente |
16/11/2021
appointed
19/6/2020
appointed
1/9/2016
appointed