Uwe Rehren

Managing Director

Phone: +49 5171 91-07
uwe.rehren@deumu.de

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.

Sandrina Sieverdingbeck

Managing Director

Phone: +49 5171 91-07
sandrina.sieverdingbeck@deumu.de

Born in 1979, Managing Director of DEUMU Deutsche Erz- und Metall-Union GmbH since 2022. She is responsible for the strategic direction of DEUMU.

After studying economics with the German academic degree “Diplom-Kauffrau”, she started working for the SALZGITTER GROUP in 2003 and performed various tasks in the areas of controlling and strategy over the years.

In addition to her position as managing director of DEUMU she is head of strategy & corporate development and commercial manager of the SALCOS transformation project at the SALZGITTER GROUP.

 

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