Axel Springer SE, has appointed Christian Nienhaus, currently chairman of the management board of Sales Impact GmbH & Co KG, to head both Media Impact GmbH & Co. KG and Sales Impact GmbH & Co KG divisions. He takes on the duties as Chairman of the Management Board of Media Impact from Andreas Geyr, 47, who will in the future assume responsibility for cross-brand creative marketing strategies as Managing Director within Axel Springer SE.