Rolf Bühler

Galeria Karstadt Kaufhof GmbH operates department stores. The company also develops and manages an Internet portal for the sale of various products. It offers men's and women's apparel, shoes, accessories, cosmetics, leisure and sports goods, furniture, household products, as well as home appliances and electrical devices. The company was founded by Rudolph Karstadt in 1881 and is headquartered in Essen, Germany.

e.ventures is a venture capital firm founded in 1997. The firm is headquartered in San Francisco, California.

Detecon International GmbH provides management consulting services. It advises telecommunications companies, governments, investors and regulatory authorities with solutions developed from the application of information and telecommunications technologies. The company was founded in 1977 and is headquartered in Cologne, Germany.

Accenture Cloud Services GmbH provides services management solutions. It offers business, technology consulting, and operation services. The company was founded by Tilo Steinmeier and Swen E. Hallasch in 2011 and is headquartered in Kesselsdorf, Germany.

Part of Accenture Plc, Accenture Technology Solutions GmbH is a German company that provides management and technological consulting and hosting services. The company is based in Kronberg im Taunus, Germany. The CEOs of the company are Jürgen Pinkl, Marina Klein.