| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | SIGMA Gebäudetechnik GmbH in Liquidation | 🇨🇭Switzerland | Liquidación | 25/6/2024 – presente |
| Cargo | zum Rosenpark GmbH | 🇨🇭Switzerland | Activa | 27/4/2023 – presente |
| Cargo | SIGMA Building Service GmbH | 🇨🇭Switzerland | Activa | 10/3/2021 – presente |
| Cargo | IN PROJECT GmbH | 🇨🇭Switzerland | Activa | 19/10/2017 – presente |
| Cargo | Raicon Baumanagement GmbH | 🇨🇭Switzerland | Activa | 26/1/2021 – presente |
| Cargo | SIGMA Bau GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 8/3/2022 – presente |
| Cargo | IPD Projekt AG | 🇨🇭Switzerland | Activa | 17/7/2018 – presente |
25/6/2024
appointed
27/4/2023
appointed
19/10/2017
appointed