| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | M & G Rohstoff AG | 🇨🇭Switzerland | Activa | 13/6/2019 – presente |
| Cargo | Soreag Gettnau AG | 🇨🇭Switzerland | Disuelta | 24/9/2018 – presente |
| Cargo | F + M Kies AG | 🇨🇭Switzerland | Activa | 24/9/2018 – presente |
| Cargo | Kurt Marti Transporte AG | 🇨🇭Switzerland | Activa | 7/9/2018 – presente |
| Cargo | Makies AG | 🇨🇭Switzerland | Activa | 13/8/2018 – presente |
| Cargo | Mazim Holding AG | 🇨🇭Switzerland | Activa | 13/8/2018 – presente |
| Cargo | Kieshandels-AG Zell | 🇨🇭Switzerland | Activa | 13/8/2018 – presente |
| Cargo | MAKIES Holding AG | 🇨🇭Switzerland | Activa | 4/7/2018 – presente |
13/6/2019
appointed
24/9/2018
appointed
4/7/2018
appointed