| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Ringger Treuhand AG | 🇨🇭Svizzera | Active | 28/09/2016 – present |
| Officer | Ringger Revisions AG in Liquidation | 🇨🇭Svizzera | Dissolved | 01/11/2018 – present |
| Officer | Täfern-Verwaltungs AG | 🇨🇭Svizzera | Dissolved | 01/11/2018 – present |
09/11/2018
appointed
01/11/2018
appointed