Christiane zu Salm

About Change Ventures GmbH (ACV) is the private equity firm. Founded by Christiane zu Salm in 2007 as a subsidiary of Luxembourg-based Kofler Ventures SARL, held by Gruppe Georg Kofler GmbH in Germany. It became independent in 2013 and is headquartered in Berlin.

Bertelsmann SE & Co. KGaA engages in the provision of services related to media and education. It operates through the following segments: RTL Group, Penguin Random House, Gruner + Jahr, BMG, Arvato, Bertelsmann Printing Group, Bertelsmann Education Group, and Bertelsmann Investments. The RTL Group segment specializes in radio and television production. The Penguin Random House segment publishes books. The Gruner + Jahr segment focuses on magazines. The BMG segment engages in music production. The Arvato segment offers technology services. The Bertelsmann Printing Group segment unites the printing activities of the Bertelsmann Group. The Bertelsmann Education Group segment encompasses the overall education business. The Bertelsmann Investments segment comprises start-up and fund investments. The company was founded by Carl Bertelsmann in 1835 and is headquartered in Guetersloh, Germany.

Ringier AG engages in publication activities. Its portfolio consists of newspaper, magazines, eMagazines and ePapers, websites, mobile, marketplaces, e-commerce, venturing, events, television, radio, online marketing, and business services. The company was founded by Johann Rudolf Ringier in 1833 and is headquartered in Zurich, Switzerland.