Mathias Müller von Blumencron
Mathias Müller von Blumencron is the Editor-in-Chief of Tagesspiegel. Previously he was one of the Editors-in-Chief of DER SPIEGEL from 2008, in collaboration with Georg Mascolo. He was in charge of all digital products of the publishing house. Prior to this he was editor-in-chief of SPIEGEL ONLINE, which he developed into the leading German-language news site on the Internet.