| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Iseli und Trachsel AG | 🇨🇭Switzerland | Active | 27/01/2026 – present |
| Officer | Kühni Holding AG | 🇨🇭Switzerland | Active | 20/03/2024 – present |
| Officer | KÜHNI AG | 🇨🇭Switzerland | Active | 12/03/2024 – present |
| Officer | Generalunternehmung Kühni AG | 🇨🇭Switzerland | Active | 12/03/2024 – present |
| Officer | mathys gmbh Treuhand und Unternehmensberatung | 🇨🇭Switzerland | Dissolved | 14/07/2020 – present |
| Officer | A. Glaser AG | 🇨🇭Switzerland | Active | 01/10/2019 – present |
| Officer | Tschanz Treuhand AG | 🇨🇭Switzerland | Active | 27/06/2018 – present |
| Officer | TANDURA TREUHAND AG | 🇨🇭Switzerland | Active | 12/10/2016 – present |
27/01/2026
appointed
20/03/2024
appointed
27/06/2018
appointed