| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Weigand Wintergarten GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 10/5/2021 – presente |
| Cargo | Zufida Beratungs AG | 🇨🇭Switzerland | Activa | 22/2/2018 – presente |
| Cargo | HolzHaus Bonndorf GmbH, Bonndorf (DE), Zweigniederlassung Neuhausen am Rheinfall | 🇨🇭Switzerland | Activa | 18/1/2019 – presente |
| Cargo | Frey Gartenbau GmbH & Co.KG, Lottstetten (DE), Zweigniederlassung Wil ZH | 🇨🇭Switzerland | Activa | 26/11/2019 – presente |
10/5/2021
appointed