| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | CyM Swiss SA | 🇨🇭Switzerland | Activa | 27/9/2021 – presente |
| Cargo | LKM GmbH | 🇨🇭Switzerland | Activa | 24/5/2017 – presente |
| Cargo | Werco Trade AG | 🇨🇭Switzerland | Activa | 14/4/2016 – presente |
| Cargo | Werest Resources AG | 🇨🇭Switzerland | Activa | 18/5/2018 – presente |
| Cargo | Werest Mining AG in Liquidation | 🇨🇭Switzerland | Disuelta | 27/12/2016 – presente |
27/9/2021
appointed
24/5/2017
appointed
14/4/2016
appointed