| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Keller AG Bern in Liquidation | 🇨🇭Svizzera | Liquidation | 02/11/2020 – present |
| Officer | Keller AG | 🇨🇭Svizzera | Active | 10/11/2021 – present |
| Officer | Keller Schweiz Holding AG | 🇨🇭Svizzera | Active | 10/11/2021 – present |
| Officer | Margarethen-Bus AG | 🇨🇭Svizzera | Active | 09/11/2021 – present |
| Officer | Keller Relocation AG in Liquidation | 🇨🇭Svizzera | Liquidation | 19/11/2021 – present |
| Officer | Hofmann AG Zürich | 🇨🇭Svizzera | Active | 11/11/2021 – present |
| Officer | Keller Swiss Group AG | 🇨🇭Svizzera | Active | 15/11/2021 – present |
| Officer | Jean Keller-Stünzi Stiftung | 🇨🇭Svizzera | Active | 17/05/2022 – present |
| Officer | Auto Margarethen AG | 🇨🇭Svizzera | Active | 09/11/2021 – present |
02/11/2020
appointed