| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Witzig The Office Company AG | 🇨🇭Switzerland | Disuelta | 20/12/2017 – presente |
| Cargo | Confidentia Gesellschaft zur Förderung institutioneller Eigenverantwortung AG in Liquidation | 🇨🇭Switzerland | Liquidación | 22/5/2017 – presente |
| Cargo | Witzig The Office Company AG in Liquidation | 🇨🇭Switzerland | Liquidación | 18/10/2018 – presente |
20/12/2017
appointed