| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | YOUR LIFE TRAINING GMBH | 🇨🇭Switzerland | Activa | 3/8/2022 – presente |
| Cargo | Valvest Partners AG | 🇨🇭Switzerland | Activa | 23/4/2019 – presente |
| 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 |
3/8/2022
appointed
14/3/2022
appointed
18/10/2016
appointed