| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | LGZ Hochrhein AG | 🇨🇭Switzerland | Activa | 26/8/2022 – presente |
| Cargo | Werner Kalt Consulting GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 14/7/2017 – presente |
| Cargo | Steinbruch Mellikon AG | 🇨🇭Switzerland | Activa | 9/6/2016 – presente |
| Cargo | Belags - AG Böttstein | 🇨🇭Switzerland | Disuelta | 7/2/2020 – presente |
26/8/2022
appointed
14/7/2017
appointed
9/6/2016
appointed