| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Rivertex Holding AG | đšđSvizzera | Active | 22/07/2019 â present |
| Officer | Winter Investment AG | đšđSvizzera | Active | 03/07/2023 â present |
| Officer | FĂŒrsorgefonds der Winter & Company AG | đšđSvizzera | Active | 30/01/2020 â present |
| Officer | Winter Markenhandels- und Entwicklungs AG | đšđSvizzera | Active | 14/10/2019 â present |
| Officer | Skivertex AG | đšđSvizzera | Active | 29/12/2020 â present |
| Officer | Winter Holding AG | đšđSvizzera | Active | 29/12/2020 â present |
| Officer | Winter Art Solutions | đšđSvizzera | Dissolved | 05/01/2022 â present |
| Officer | Winter & Company AG | đšđSvizzera | Active | 23/10/2019 â present |
| Officer | Window Systems AG | đšđSvizzera | Active | 08/11/2019 â present |
| Officer | Winterior Holding AG | đšđSvizzera | Active | 29/12/2020 â present |
| Officer | Murfloor AG | đšđSvizzera | Active | 08/11/2019 â present |
16/07/2025
appointed
03/07/2023
appointed
29/12/2020
appointed