| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| RIWER | ROBERT | 1960-05 | Manager and Shareholder with Unlimited Liability |
| RIWER | REGINALD | 1983-07 | Other |
| RIWER | BENJAMIN | 2015-11 | Other |
| RIWER | ALEXANDRA | 2012-06 | Other |
| SCHAEFFER | CHANTAL | 1953-02 | Manager and Shareholder with Unlimited Liability |