Klaus Hafner

mainzplus CITYMARKETING GmbH is a private company based in Mainz, Germany that combines Mainz Congress, Mainz Tourism, and Mainz Culture to promote Mainz as a destination for tourism, culture, and conferences. The German company provides event venues such as the Rheingoldhalle, Electoral Palace, and Frankfurter Hof in the Old Town. The company was founded in 2012 and is led by CEOs Marc André Glöckner and Katja Mailahn.

Zentrale Beteiligungsgesellschaft der Stadt Mainz mbH is a holding private company that unites various city-related sectors such as city marketing, education, and social services. The company is based in Mainz, Germany, and is actively seeking talented individuals to support the future of the city. The ZBM-Konzern group of companies works towards the development of the city, with the ZBM providing support and ensuring effective communication and transparency within the group. The CEOs of the German company are Günter Beck, Daniel Gahr.