Esther Heup

gutefrage.net GmbH owns and operates a question-answer portal which features functionality such as comments, preview, polls, editing of contributions, APIs, and a graphical charter. The company was founded in 2006 and is headquartered in Munich, Germany.

NetDoktor.de GmbH operates as an information portal about health and medicine. It offers medical information on major diseases, symptoms, tests, and medications. The company was founded by Carl J. Brandt and Rune Nygaard Bech Pedersen in 1999 and is headquartered in Munich, Germany.

Ratgeber Netzwerk GmbH engages in the development, operation, and marketing of digital platforms with content related to knowledge and counseling. The company was founded on October 5, 2005 and is headquartered in Munich, Germany.

Holtzbrinck Digital GmbH (Holtzbrinck Digital) is the strategic investment subsidiary of Verlagsgruppe Georg von Holtzbrinck GmbH in Germany. Formerly known as Holtzbrinck Networks GmbH, the firm originated in 2000 when all internet investments from the Verlagsgruppe von Holtzbrinck were consolidated to form Holtzbrinck NetworXs AG, which was subsequently split into Holtzbrinck Networks GmbH and Holtzbrinck Ventures GmbH in 2006. Located in Munich, Holtzbrinck Digital aims to develop new areas of business on the Web by managing interests in Internet companies and acquiring start-ups. From their experience as a venture partner helping to build B2C Internet companies, the firm has unique knowledge of how to build brands, win customers and handle regional expansion. They invest from the balance sheet of the parent company.

LPZ Handelsgesellschaft mbH engages in the production and distribution of trend, lifestyle, and gift articles. Its product portfolio includes wooden puzzles and games, wine glass, decanters, stamps, puzzles, picture frames, key holders, mugs, shopping bags, and chopping boards. The company was founded in 2011 and is headquartered in Hannover, Germany.