| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Pfister Energieberatung GmbH in Liquidation | 🇨🇭Switzerland | Disuelta | 15/12/2021 – presente |
| Cargo | Gesellschaft für Erdgastransporte Schweiz AG in Liquidation | 🇨🇭Switzerland | Disuelta | 11/12/2017 – presente |
| Cargo | IG Energiegase | 🇨🇭Switzerland | Activa | 7/12/2018 – presente |
| Cargo | Provisiogas | 🇨🇭Switzerland | Activa | 14/11/2017 – presente |
15/12/2021
appointed
11/12/2017
appointed