Gabriel Grabner

DvH Medien GmbH provides management services. The private company is based in Stuttgart, DE. and has subsidiaries in United Kingdom, Germany and United States. The CEOs are Oliver Finsterwalder, Rainer Esser. The German company was founded in 2007.

Verlagsgruppe Georg von Holtzbrinck GmbH operates as an investment holding company with interests in publishing books, newspapers, periodicals and online media. Its customers include authors, researchers, academics, educators, librarians, and readers. The company was founded in 1971 and is headquartered in Stuttgart, Germany.

Media Ventures GmbH (Media Ventures) is an independent private equity & venture capital firm founded by Dirk Ströer in 2000. The firm is headquartered in Cologne, Germany.

MV Internet Solutions GmbH provides online marketing services. It provides search engine optimization, search engine advertising, affiliate marketing, performance and conversion optimization, e-commerce and social media services. The company is headquartered in Cologne, Germany.

crossventures GmbH (crossventures) is the venture capital subsidiary of Sixt Management Holding GmbH. The firm was founded in 2011 by Rene Kaute and is headquartered in Cologne, Germany.

Mathes Design GmbH engages in the distribution of home furniture. It develops and operates an online platform for the retail sale of sofa sets, chairs, dining and coffee tables, bed frames, sofa beds, cabinets, lighting solutions, and home accessories. The company was founded by Peter Richarz and Thomas Mathes and is headquartered in Aachen, Germany.

Verlag der Tagesspiegel GmbH prints and publishes a daily newspaper. It provides information about sports, art and culture, literature, research, health, and media. The company was founded in 1945 and is located in Berlin, Germany.

Dieter von Holtzbrinck Stiftung GmbH operates foundations that promote charitable projects and campaigns for social and cultural institutions. The private company is based in Stuttgart, Germany. The CEOs of the German company are Oliver Finsterwalder, Christine Jacobi, Axel Sigle.