| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Witzig Alteco Digital Services AG | 🇨🇭Switzerland | Activa | 8/1/2021 – presente |
| Cargo | Brossi AG | 🇨🇭Switzerland | Activa | 17/1/2019 – presente |
| Cargo | Witzig The Office Company AG | 🇨🇭Switzerland | Disuelta | 20/12/2017 – presente |
| Cargo | B+P AG | 🇨🇭Switzerland | Activa | 11/10/2016 – presente |
| Cargo | SDL AG | 🇨🇭Switzerland | Activa | 14/7/2016 – presente |
| Cargo | Zinctec AG | 🇨🇭Switzerland | Disuelta | 14/7/2016 – presente |
| Cargo | WSB Immobilien AG | 🇨🇭Switzerland | Activa | 4/5/2021 – presente |
| Cargo | Witzig The Office Company AG in Liquidation | 🇨🇭Switzerland | Liquidación | 5/5/2021 – presente |
| Cargo | Bio Partner Gruppe AG | 🇨🇭Switzerland | Disuelta | 19/5/2016 – presente |
| Cargo | Bio Development AG | 🇨🇭Switzerland | Activa | 21/6/2016 – presente |
| Cargo | AVA Verlagsauslieferung AG | 🇨🇭Switzerland | Activa | 14/6/2024 – presente |
| Cargo | Biomilk AG | 🇨🇭Switzerland | Activa | 6/9/2016 – presente |
8/1/2021
appointed
17/1/2019
appointed
14/7/2016
appointed