Management

Karl-Günter Diederichs zoom

Management Director



Karl-Günter Diederichs
Graduate engineer
Graduate in business administration
Phone: +49 (0) 2253-311-160 
Telefax: +49 (0) 2253-311-200

Marc Schmitzzoom

Assistant to the Management Director
Authorised representative

Marc Schmitz
Graduate in commerce


Phone: +49 (0) 2253-311-120
Telefax: +49 (0) 2253-311-220 mschmitz@hammerwerk-erft.de

Ingelore Keßelzoom

Secretariat     



Ingelore Keßel



Phone: +49 (0) 2253-311-160 
Telefax: +49 (0) 2253-311-260 ikessel@hammerwerk-erft.de