| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Verband schweizerischer Hartsteinbrüche VSH | 🇨🇭Switzerland | Activa | 17/11/2023 – presente |
| Cargo | Stiftung Zingel | 🇨🇭Switzerland | Activa | 27/9/2021 – presente |
| Cargo | ALTECO GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 1/3/2021 – presente |
| Cargo | Risi AG | 🇨🇭Switzerland | Activa | 22/8/2016 – presente |
| Cargo | Sand + Kies AG Luzern, in Horw | 🇨🇭Switzerland | Activa | 4/7/2016 – presente |
| Cargo | Industriegleis-Genossenschaft Horw-Kriens | 🇨🇭Switzerland | Activa | 17/7/2017 – presente |
| Cargo | BOW-Betonwerk Obwalden AG | 🇨🇭Switzerland | Activa | 24/6/2016 – presente |
17/11/2023
appointed
27/9/2021
appointed
1/3/2021
appointed