| Zeitraum | Name |
|---|---|
| 1951 – 1953 | Ferdinand Veithen |
| 1953 – 1961 | Balthasar Rohe |
| 1961 – 1980 | Wilhelm Frinken |
| 1980 – 1992 | Arnold Koberg |
| 1992 – 2004 | Hans-Oswald Vogel |
| 2004 – 2015 | Reinhard deVries |
| 2015 – | Olaf Winkler |
| Zeitraum | Name |
|---|---|
| 1951 – 1953 | Ferdinand Veithen |
| 1953 – 1961 | Balthasar Rohe |
| 1961 – 1980 | Wilhelm Frinken |
| 1980 – 1992 | Arnold Koberg |
| 1992 – 2004 | Hans-Oswald Vogel |
| 2004 – 2015 | Reinhard deVries |
| 2015 – | Olaf Winkler |