| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Surer Holding AG | 🇨🇭Switzerland | Activa | 3/6/2025 – presente |
| Cargo | Willi Schärer-Transport AG | 🇨🇭Switzerland | Activa | 30/5/2024 – presente |
| Cargo | Recycling-Center Wannen AG | 🇨🇭Switzerland | Activa | 19/7/2016 – presente |
| Cargo | RCW Immobilien AG | 🇨🇭Switzerland | Activa | 19/7/2016 – presente |
| Cargo | Surer AG | 🇨🇭Switzerland | Activa | 21/3/2016 – presente |
| Cargo | Surer UPREC AG | 🇨🇭Switzerland | Activa | 8/6/2022 – presente |
| Cargo | Surer Kipper Transport AG | 🇨🇭Switzerland | Activa | 21/3/2016 – presente |
| Cargo | REWAG Entsorgung AG | 🇨🇭Switzerland | Activa | 16/3/2020 – presente |
| Cargo | Deponie Höli Liestal AG | 🇨🇭Switzerland | Activa | 1/6/2017 – presente |
3/6/2025
appointed
30/5/2024
appointed
1/6/2017
appointed