| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Estac AG | 🇨🇭Svizzera | Active | 27/02/2024 – present |
| Officer | Steinform Kistler AG Natursteinwerk | 🇨🇭Svizzera | Active | 27/07/2022 – present |
| Officer | Stauber Real Estate AG | 🇨🇭Svizzera | Active | 07/02/2022 – present |
| Officer | W. Thommen AG | 🇨🇭Svizzera | Active | 14/01/2022 – present |
| Officer | Bodenschatz AG | 🇨🇭Svizzera | Active | 21/12/2021 – present |
| Officer | TWOTS Invest AG | 🇨🇭Svizzera | Active | 15/12/2021 – present |
| Officer | NDL Immobilien AG | 🇨🇭Svizzera | Dissolved | 13/08/2020 – present |
| Officer | Ledermann Entwicklung AG | 🇨🇭Svizzera | Dissolved | 09/09/2019 – present |
| Officer | Ledermann Management AG | 🇨🇭Svizzera | Active | 10/10/2019 – present |
| Officer | Ledermann Immobilien AG | 🇨🇭Svizzera | Active | 09/09/2019 – present |
| Officer | Ledermann Totalunternehmung AG | 🇨🇭Svizzera | Active | 09/09/2019 – present |
| Officer | Projektkontor AG | 🇨🇭Svizzera | Dissolved | 14/07/2016 – present |
| Officer | Mobimo FM Service AG | 🇨🇭Svizzera | Active | 26/03/2019 – present |
| Officer | Interessengemeinschaft privater professioneller Bauherren (IPB) | 🇨🇭Svizzera | Active | 11/10/2019 – present |
| Officer | LMI Development AG | 🇨🇭Svizzera | Active | 20/11/2020 – present |
27/02/2024
appointed
27/07/2022
appointed
14/07/2016
appointed