| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | SIGMA Gebäudetechnik GmbH in Liquidation | 🇨🇭Switzerland | Liquidation | 25/06/2024 – present |
| Officer | zum Rosenpark GmbH | 🇨🇭Switzerland | Active | 27/04/2023 – present |
| Officer | SIGMA Building Service GmbH | 🇨🇭Switzerland | Active | 10/03/2021 – present |
| Officer | IN PROJECT GmbH | 🇨🇭Switzerland | Active | 19/10/2017 – present |
| Officer | Raicon Baumanagement GmbH | 🇨🇭Switzerland | Active | 26/01/2021 – present |
| Officer | SIGMA Bau GmbH in Liquidation | 🇨🇭Switzerland | Dissolved | 08/03/2022 – present |
| Officer | IPD Projekt AG | 🇨🇭Switzerland | Active | 17/07/2018 – present |
25/06/2024
appointed
27/04/2023
appointed
19/10/2017
appointed