Dirk Zimmermann is the Managing Director, Extruder Experts GmbH & Co. KG,
Monschau Germany. He has served the plastics industry since 1991 having been
involved with Werner & Pfleiderer, Bericap and C.A.Picard.
Currently Dirk and EE are Marketing STEER ENGINEERING's Extruders and Parts
in the Europe circuit.
The co-author is Dr. Oliver Kayser, owner of Dreistegen GmbH, Germany.