| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Acca Larentia Ventures GmbH | 🇨🇭Switzerland | Disuelta | 7/10/2016 – presente |
| Cargo | MEC Mining-Engineering Consulting GmbH | 🇨🇭Switzerland | Disuelta | 27/9/2016 – presente |
| Cargo | Contrac AG | 🇨🇭Switzerland | Disuelta | 22/10/2020 – presente |
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