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Born in 1963, Managing Director of DEUMU Deutsche Erz- und Metall-Union GmbH since 2000. He is responsible for all operative fields as well as for the administrative fields finance, business economics, information technology and personnel. After completing his studies in business with the German academic degree “Diplom-Kaufmann”, he started working for DEUMU in 1989 and performed various tasks over the years.
Born in 1967, Managing Director of DEUMU Deutsche Erz- und Metall-Union GmbH since July 2016. Together with Mr. Rehren he is responsible for the strategic direction of DEUMU. As Managing Director of Peiner Träger GmbH, the major customer of DEUMU, Mr. Lemgen is head of the Technical Division including the Steel Plant, the Rolling Mills and the Technical Services since 2012.