Klaus Nadler

Goldbach Group AG engages in the provision of electronic communications solutions and marketing of private electronic, interactive, and mobile data. It also provides consulting, creative production, media planning, for and buying as well as trafficking optimizing of advertising campaigns in electronic offline and online media. The company was founded on June 29, 1983 and is headquartered in Kusnacht, Switzerland.

Part of Dentsu Group, Inc., Carat Deutschland GmbH is a marketing and German media services company. The company is based in Wiesbaden, Germany. Carat Deutschland offers media-led experiences to enrich people's lives and helps clients work towards sustainable long-term growth. The company was founded in 1966. Klaus Nadler has been the CEO of the company since 2017.