| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Ionplus AG | 🇨🇭Svizzera | Active | 23/05/2019 – present |
| Officer | Witzig The Office Company AG | 🇨🇭Svizzera | Dissolved | 23/01/2017 – present |
| Officer | Wohlfahrtsfonds Witzig Gruppe | 🇨🇭Svizzera | Dissolved | 29/12/2016 – present |
23/05/2019
appointed