| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Keller Immobilien AG, St. Gallen | 🇨🇭Svizzera | Active | 11/04/2023 – present |
| Officer | Andreas und Heidi Keller-Stiftung | 🇨🇭Svizzera | Active | 08/02/2023 – present |
| Officer | BADTECH AG | 🇨🇭Svizzera | Active | 19/04/2023 – present |
| Officer | Schweizer Rendite-Immobilien AG in Liquidation | 🇨🇭Svizzera | Dissolved | 04/03/2016 – present |
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