| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Immobilienberatung Jürg Burkhard | 🇨🇭Svizzera | Active | 03/10/2016 – present |
| Officer | ABSON Sanierungstechnik AG | 🇨🇭Svizzera | Active | 01/10/2019 – present |
| Officer | Interessengemeinschaft privater professioneller Bauherren (IPB) | 🇨🇭Svizzera | Active | 09/01/2018 – present |
| Officer | SPLEISS AG | 🇨🇭Svizzera | Active | 21/09/2017 – present |
| Officer | CORTI SPLEISS Projektentwickler AG | 🇨🇭Svizzera | Active | 21/09/2017 – present |
| Officer | CORTI SPLEISS Holding AG | 🇨🇭Svizzera | Active | 18/09/2017 – present |
| Officer | CORTI AG | 🇨🇭Svizzera | Active | 18/09/2017 – present |
| Officer | CORTI SPLEISS Management AG | 🇨🇭Svizzera | Active | 18/09/2017 – present |
| Officer | CORTI SPLEISS Immobilien AG | 🇨🇭Svizzera | Active | 18/09/2017 – present |
| Officer | CORTI SPLEISS Gesamtunternehmer AG | 🇨🇭Svizzera | Active | 18/09/2017 – present |
| Officer | Technolab SA | 🇨🇭Svizzera | Active | 21/06/2016 – present |
| Officer | Aktiengesellschaft für Erstellung billiger Wohnhäuser in Winterthur | 🇨🇭Svizzera | Active | 13/01/2026 – present |
11/04/2023
appointed
01/10/2019
appointed
21/06/2016
appointed