Rüdiger Garbs

Gutenberg Rechenzentrum GmbH & Co. KG offers information technology solutions to the newspaper publishing business. It provides its customer with its own software VI&VA, an online version of the software e-VI&VA, and an production accounting system called PABS which connects newspaper publisher with each other. The company was founded in founded in 1970 and is headquartered in Hannover, Germany.

Verlagsgesellschaft Madsack (Beteiligungen) (VGM-B) is the private equity division of Verlagsgesellschaft Madsack GmbH & Co. KG (VGM), the holding and main company of Verlagsgruppe Madsack, also known as Madsack Publishing Group, a regional German media conglomerate primarily active in Land Niedersachsen. Although the group's core business is print media, Madsack is also active in radio, television, Internet and other media services. In addition, the group comprises Dr. Erich Madsack GmbH, which represents the executive body of the group. The Madsack group originated in 1892. VGM was established in 1949 and is located in Hanover.