| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| BURCKHARDT | CHRISTOPH | 1930-06 | Manager |
| BURCKHARDT | CATHERINE | 1960-03 | Partner with Unlimited and Joint Liability |
| KNIPPENBERG | INGEBORG | 1932-10 | Manager |
| WALTER | ANTOINETTE | 1993-05 | Partner with Unlimited and Joint Liability |
| WALTER | ALEXANDER | 1994-05 | Partner with Unlimited and Joint Liability |