| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Pasta Bar GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 18/8/2016 – presente |
| Cargo | Wasserbett- und Schlafcenter Rapperswil GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 11/8/2016 – presente |
| Cargo | Du Lac AG Rapperswil | 🇨🇭Switzerland | Activa | 28/7/2016 – presente |
| Cargo | Schmucki Kies + Tiefbau AG | 🇨🇭Switzerland | Activa | 21/7/2021 – presente |
| Cargo | Johann Müller AG, Kieswerk und Baggereiunternehmung | 🇨🇭Switzerland | Activa | 14/9/2021 – presente |
18/8/2016
appointed
11/8/2016
appointed
28/7/2016
appointed