| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Ringger Revisions AG in Liquidation | 🇨🇭Svizzera | Dissolved | 28/09/2016 – present |
| Officer | Ringger Treuhand AG | 🇨🇭Svizzera | Active | 28/09/2016 – present |
| Officer | Täfern-Verwaltungs AG | 🇨🇭Svizzera | Dissolved | 01/11/2018 – present |
| Officer | S. Blaser Holding AG | 🇨🇭Svizzera | Active | 08/12/2020 – present |
20/09/2023
appointed
16/08/2019
appointed