| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | ERA Metallwaren AG in Liquidation | 🇨🇭Switzerland | Disuelta | 4/11/2021 – presente |
| Cargo | Ernst Ammann AG Wallenwil | 🇨🇭Switzerland | Activa | 20/3/2018 – presente |
| Cargo | Ammannfen Montagen GmbH | 🇨🇭Switzerland | Activa | 28/12/2016 – presente |
11/2/2022
appointed
20/3/2018
appointed
28/12/2016
appointed