| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| SIMON | THIERRY | 1968-07 | Manager and Shareholder with Unlimited Liability |
| SIMON | THIBAUT | 2001-06 | Partner with Unlimited Liability |
| SIMON | MATHIS | 2007-10 | Partner with Unlimited Liability |
| SIMON | HUGO | 2010-12 | Partner with Unlimited Liability |