| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | AlpTransit Gotthard AG | 🇨🇭Switzerland | Disuelta | 27/6/2022 – presente |
| Cargo | Marti Präzisionsmechanik AG | 🇨🇭Switzerland | Activa | 16/3/2016 – presente |
| Cargo | Feldmann Totalunternehmung Jona AG | 🇨🇭Switzerland | Disuelta | 12/4/2016 – presente |
| Cargo | Feldmann Pneukran + Transport AG | 🇨🇭Switzerland | Activa | 13/4/2016 – presente |
| Cargo | Feldmann Totalunternehmung AG | 🇨🇭Switzerland | Activa | 31/3/2016 – presente |
| Cargo | Feldmann Holding AG | 🇨🇭Switzerland | Activa | 25/6/2019 – presente |
| Cargo | Fäh Maschinen- und Anlagenbau AG | 🇨🇭Switzerland | Activa | 27/7/2017 – presente |
| Cargo | RÜESCH BAU AG in Liquidation | 🇨🇭Switzerland | Disuelta | 1/3/2017 – presente |
27/6/2022
appointed
14/12/2020
appointed
1/3/2017
appointed