Siegfried Hallner

Siegfried Hallner is an experienced finance and controlling professional, currently serving as Head of Controlling and Head of Mobility Services at KUMAVISION AG since October 2020. Previously, Siegfried held significant roles at Rolls-Royce Power Systems AG from August 2007 to October 2020, including overseeing global controlling for operations and administration, investment projects, and operational efficiency. Additional experience includes positions at MTU Friedrichshafen GmbH, where Siegfried focused on purchasing controlling and IT system management, and earlier roles at Schwäbischer Verlag GmbH & Co. KG and ifm electronic gmbh. Siegfried holds a Diplom Betriebswirt BA in Finance and Accounting and a degree as Industriekaufmann from previous educational experiences.