Ehrenvorsitzender Klaus Wronka
| Dr. Detert | 1905 – 1921 |
| Dr. Palm | 1921 – 1926 |
| Direktor Theisen | 1926 – 1932 |
| Dr. Hoffmanns | 1932 – 1945 |
| Walter Krämer | 1945 – 1948 |
| Dr. Hoffmanns | 1948 – 1953 |
| Andreas Fellenz | 1953 – 1954 |
| Dr. Stefan Elbers | 1954 – 1955 |
| Dr. Hoffmanns | 1955 – 1965 |
| Klaus Wronka | 1956 – 1963 |
| Direktor Karl Kurz | 1963 – 1966 |
| Willi Koll | 1966 |
| Klaus Wronka | 1966 – 1974 |
| Manfred Koll | 1974 – 1996 |
| Anton Rehaag | 1996 – 2004 |
| Hans-Michael Kerst | 2004 – 2010 |
| Christoph Klug | 2010 – 2016 |
| Rolf Heidorn | 2016 – |