| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Scherer Immobilien AG | 🇨🇭Svizzera | Active | 02/12/2021 – present |
| Officer | Scherer AG Pfäffikon | 🇨🇭Svizzera | Active | 02/12/2021 – present |
| Officer | Astra Liegenschaft GmbH in Liquidation | 🇨🇭Svizzera | Dissolved | 17/09/2020 – present |
| Officer | FREI - Risk Management Consulting GmbH in Liquidation | 🇨🇭Svizzera | Dissolved | 23/01/2020 – present |
| Officer | Bioarchitektur & Design GmbH in Liquidation | 🇨🇭Svizzera | Dissolved | 20/12/2018 – present |
| Officer | BRT - Bruno Ruppli Treuhand | 🇨🇭Svizzera | Active | 17/11/2017 – present |
| Officer | BRT Treuhand + Immobilien GmbH | 🇨🇭Svizzera | Active | 19/10/2017 – present |
| Officer | BBS Treuhand + Revision AG | 🇨🇭Svizzera | Active | 31/01/2018 – present |
| Officer | Hof-Garage Bichelsee AG | 🇨🇭Svizzera | Active | 05/12/2016 – present |
| Officer | Heuberge AG | 🇨🇭Svizzera | Active | 25/02/2019 – present |
02/12/2021
appointed
17/09/2020
appointed
19/10/2017
appointed