| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | LEAN Beteiligungen AG | 🇨🇭Svizzera | Active | 07/02/2019 – present |
| Officer | Jowissa Immobilien AG | 🇨🇭Svizzera | Active | 07/02/2019 – present |
| Officer | CWSW Holding AG | 🇨🇭Svizzera | Active | 07/02/2019 – present |
| Officer | Jowissa Uhren AG | 🇨🇭Svizzera | Active | 08/02/2019 – present |
| Officer | Jowissa Group AG | 🇨🇭Svizzera | Active | 07/02/2019 – present |
| Officer | AEB Erdwärme AG in Liquidation | 🇨🇭Svizzera | Dissolved | 29/01/2018 – present |
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