Ralf Kogeler

walter services Holding GmbH is engaged in the provision of telemarketing and other customer services. It offers business process outsourcing, such as CRM-oriented communication, central database, customer retention management, customer cards & customer clubs, including determining the club contents and card functions, marketing consultancy & conception and business services. The company was founded in 1978 and is headquartered in Ettlingen, Germany.

Axel Springer SE engages in the provision of print and digital media and owns and operates digital classifieds portfolio. It operates through the following segments: Classified Ad Models, Paid Models, Marketing Models and Services/Holding. The Classified Ad Models segment generates revenues in online classified advertising within the areas of jobs, real estate, automobile and general classified ads. The Paid Models segment encompasses all business models that are used by paying readers. The Marketing Models segment covers all business models involving sales to advertising customers under reach-based or success-based marketing services. The Services/Holding segment comprises the group's services, which include the domestic printing plants and the holding company functions. The company was founded by Hinrich Springer and Axel Springer in 1946 and is headquartered in Berlin, Germany.

Roland Berger GmbH provides business consulting services. It offers advisory services to international enterprises and public institutions on business management issues ranging from rule-breaking strategies to organizational structures and business processes. The firm focuses on corporate development, information management, marketing and sales, operations strategy, restructuring and corporate finance. Roland Berger was founded on September 14, 1998 and is headquartered in Munich, Germany.

CMR GmbH functions as an alternative investment manager. The company was founded on June 4, 2014 and is headquartered in Vienna, Austria.

Rofin-Sinar UK Ltd. develops and manufactures sealed carbon dioxide lasers. Its products include Rofin SC, SR and iX Series of sealed CO2 lasers and power supplies for industrial processing and marking applications. The company was founded in 1998 and is headquartered in Kingston-Upon-Hull, the United Kingdom.