CHEMEX - Key Persons

Dipl.-Ing. Guido Brieger - VP of Sales

Job Titles:
  • Head of Sales
Guido Brieger has been Head of Sales at Chemex Foundry Solutions GmbH since January 2015. He is responsible for sales and the product management team. Guido Brieger studied foundry technology in Duisburg. After graduating, he completed a one-year traineeship at Thyssen and then worked for Thyssen at the Friederich-Wilhelms-Hütte plant in the large iron castings division. After a stint as plant manager for core production, he moved to Chemex in 2002, where he was promoted from product manager to sales manager in 2015.

Dipl.-Ing. Lars Zumbusch - Managing Director

Job Titles:
  • Managing Director
  • Managing Director Sales
Lars Zumbusch has been Managing Director of Chemex Foundry Solutions GmbH since September 2020. He is responsible for sales and the company's commercial management. Lars Zumbusch studied foundry technology in Duisburg and began his career with the Claas Guss Group. Having held numerous positions within the Claas Guss Group, he joined Chemex in 2008 and then took up a role at Hüttenes-Albertus. After two years at Hüttenes-Albertus, he returned to Chemex as Managing Director.