| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Rivertex Holding AG | 🇨🇭Switzerland | Activa | 22/7/2019 – presente |
| Cargo | Winter Investment AG | 🇨🇭Switzerland | Activa | 3/7/2023 – presente |
| Cargo | Fürsorgefonds der Winter & Company AG | 🇨🇭Switzerland | Activa | 30/1/2020 – presente |
| Cargo | Winter Markenhandels- und Entwicklungs AG | 🇨🇭Switzerland | Activa | 14/10/2019 – presente |
| Cargo | Skivertex AG | 🇨🇭Switzerland | Activa | 29/12/2020 – presente |
| Cargo | Winter Holding AG | 🇨🇭Switzerland | Activa | 29/12/2020 – presente |
| Cargo | Winter Art Solutions | 🇨🇭Switzerland | Disuelta | 5/1/2022 – presente |
| Cargo | Winter & Company AG | 🇨🇭Switzerland | Activa | 23/10/2019 – presente |
| Cargo | Window Systems AG | 🇨🇭Switzerland | Activa | 8/11/2019 – presente |
| Cargo | Winterior Holding AG | 🇨🇭Switzerland | Activa | 29/12/2020 – presente |
| Cargo | Murfloor AG | 🇨🇭Switzerland | Activa | 8/11/2019 – presente |
16/7/2025
appointed
3/7/2023
appointed
29/12/2020
appointed