| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Sammelstiftung Vita | 🇨🇭Switzerland | Activa | 1/10/2025 – presente |
| Cargo | Valvest Partners AG | 🇨🇭Switzerland | Activa | 14/3/2022 – presente |
| Cargo | YOUR LIFE TRAINING GMBH | 🇨🇭Switzerland | Activa | 3/8/2022 – presente |
| Cargo | zinsplus Immobilien AG | 🇨🇭Switzerland | Activa | 23/11/2021 – 19/10/2020 |
| Cargo | Peter Keller | 🇨🇭Switzerland | Activa | 15/6/2021 – presente |
| Cargo | Keller Verwaltungs GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 27/1/2020 – presente |
| Cargo | Ritter Impact GmbH | 🇨🇭Switzerland | Activa | 11/1/2019 – presente |
| Cargo | Albin Kistler AG | 🇨🇭Switzerland | Activa | 18/10/2016 – presente |
1/10/2025
appointed
1/11/2024
appointed
18/10/2016
appointed