(born May 25, 1960) is the CEO of ThyssenKrupp.
Hiesinger was born in Bopfingen in southern Germany and grew up on a farm. He obtained PhD in Electrical engineering at Technical University of Munich, Germany. From 1992 until 2010 he held several positions within the Siemens Group. In 2007 he became a member of the board of Siemens.
On October 1, 2010, he left Siemens to join the board of ThyssenKrupp. On January 21, 2011, Hiesinger succeeded Ekkehard Schulz as CEO.
Source @ Wikipedia