| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| AMELOT | HERVE | 1955-10 | |
| ZAUGG | NICOLAS | 1976-06 | Member of the Supervisory Board |
| ZAUGG | HELENE | 1979-06 | Chairman of the Supervisory Board |
| ZAUGG | HELENE | 1979-06 | Member of the Supervisory Board |
| ZAUGG | GREGOIRE | 1982-05 | Member of the Supervisory Board |