| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Villiger International Consulting GmbH in Liquidation | 🇨🇭Switzerland | Dissolved | 26/10/2018 – present |
| Officer | Swissimpex GmbH in Liquidation | 🇨🇭Switzerland | Dissolved | 01/09/2016 – present |
| Officer | EV Projektmarketing International AG in Liquidation | 🇨🇭Switzerland | Liquidation | 11/04/2025 – present |
| Officer | Vyridis AG | 🇨🇭Switzerland | Active | 27/12/2018 – present |
| Officer | STR Wirtschaftsprüfung AG | 🇨🇭Switzerland | Active | 28/12/2020 – present |
| Officer | STR Treuhand AG | 🇨🇭Switzerland | Active | 30/09/2025 – present |
| Officer | Obersee Holding AG | 🇨🇭Switzerland | Active | 18/02/2021 – present |
26/10/2018
appointed
01/09/2016
appointed