| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| RITTIMANN | CARINE | 1956-04 | Manager and Shareholder with Unlimited Liability |
| SIFFERT | JULIA | 1985-12 | Partner with Unlimited Liability |
| SIFFERT | FREDERIC | 1982-07 | Partner with Unlimited Liability |
| SIFFERT | BERTRAND | 1956-11 | Manager and Shareholder with Unlimited Liability |