Markus Sontheimer was born in Friedrichshafen in 1968. After graduating with a degree in industrial engineering (FH) from Esslingen University of Applied Sciences, he held various management positions in Germany and abroad in the IT area at Daimler AG (1994 to 2010); most recently as CIO Daimler Financial Services and Sales, Marketing and Aftersales Mercedes Benz. He then spent five years as CIO Group Finance at Deutsche Bank, restructuring the global IT of Group Finance and implementing the important regulatory project portfolio.
On December 1, 2015, Markus Sontheimer was appointed to the Management Board of Schenker AG, Essen, as Chief Information Officer. On June 22, 2016, he was also appointed Chief Digital Officer (CDO) by the Supervisory Board and is responsible for IT and digitalization.
In early 2021 Markus Sontheimer was appointed Chief Information and Digital Officer (CIDO) of the Copenhagen-based service provider ISS A/S. The CIDO position has been newly created as part of the Executive Group Management Team around CEO Jacob Aarup-Andersen. It is part of the "OneISS" strategy, according to which the company aims to better position itself for global business in line with a new operating model.