| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| DUTY | PIERRE-ETIENNE | 1953-09 | Manager and Shareholder with Unlimited Liability |
| DUTY | MURIEL | 1963-01 | Manager and Shareholder with Unlimited Liability |
| DUTY | GERARD | 1951-08 | Partner with Unlimited Liability |
| SCHLAFLI | MAEVA | 1990-02 | Partner with Unlimited Liability |
| SCHLAFLI | CINDY | 1993-04 | Partner with Unlimited Liability |