| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Prinoth (Schweiz) AG | 🇨🇭Switzerland | Active | 23/09/2016 – present |
| Officer | Constantin Solar AG | 🇨🇭Switzerland | Active | 26/05/2016 – present |
| Officer | Constantin Bau AG | 🇨🇭Switzerland | Active | 11/05/2016 – present |
| Officer | Constantin Transport AG | 🇨🇭Switzerland | Active | 11/05/2016 – present |
| Officer | Constantin Immobilien AG | 🇨🇭Switzerland | Active | 11/05/2016 – present |
| Officer | Constantin Recycling AG | 🇨🇭Switzerland | Dissolved | 11/05/2016 – present |
| Officer | Constantin Management AG | 🇨🇭Switzerland | Active | 11/05/2016 – present |
05/07/2018
appointed
26/05/2016
appointed
11/05/2016
appointed