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Administrative office

Contact persons in the administrative office in Troisdorf:

Graduate Economist Jochen Grönegräs

General Manager

E-Mail

Bettina Zimmermann

Assistant to the Management

E-Mail

Simone Schwarz

Team Assistant

E-Mail

Ingrid Meyer-Quel

Quality Assurance

E-Mail

Graduate Engineer Markus Broich

Technics und Standardization

E-Mail

Max Grönegräs

Communication

E-Mail