| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Hörservice Schweiz AG in Liquidation | 🇨🇭Switzerland | Disuelta | 4/9/2019 – presente |
| Cargo | R.P. Winiger Hörgeräte AG | 🇨🇭Switzerland | Disuelta | 7/2/2018 – presente |
| Cargo | Wasserversorgungs-Genossenschaft Wangenhubel | 🇨🇭Switzerland | Activa | 24/1/2017 – presente |
| Cargo | Hörgeräte Schweiz AG in Liquidation | 🇨🇭Switzerland | Disuelta | 16/6/2022 – presente |
| Cargo | Quadrifoglio Invest AG in Liquidation | 🇨🇭Switzerland | Liquidación | 14/6/2022 – presente |
4/9/2019
appointed
7/2/2018
appointed
24/1/2017
appointed