| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Kaderstiftung der Burkhalter Holding AG in Liquidation | 🇨🇭Switzerland | Disuelta | 29/9/2020 – presente |
| Cargo | HWP Beteiligungs GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 22/3/2017 – presente |
| Cargo | HB Seeblick GmbH | 🇨🇭Switzerland | Disuelta | 19/11/2018 – presente |
| Cargo | Konsumgenossenschaft Niederuster | 🇨🇭Switzerland | Activa | 27/2/2026 – presente |
| Cargo | Eckert Hydraulik AG | 🇨🇭Switzerland | Disuelta | 5/7/2016 – presente |
| Cargo | Burkhalter Services AG | 🇨🇭Switzerland | Activa | 10/10/2018 – presente |
| Cargo | Reichle Immobilien AG | 🇨🇭Switzerland | Activa | 17/8/2023 – presente |
| Cargo | Oberholzer AG, Elektrotechnische Anlagen | 🇨🇭Switzerland | Activa | 22/5/2023 – presente |
29/9/2020
appointed
22/3/2017
appointed