Jürgen Mayer

plazz AG engages in the development of applications for events and all event related processes and marketing tools. The applications include the event app itself, registr, used in the pre-event phase for administrational purposes and to create a pre event website for marketing, and check-in, an admission management app, to streamline the admission process on the day of the event itself. The company was founded in 2007 and is headquartered in Erfurt, Germany.

united-domains AG specializes in domain name registration. They offer domains and support domain names for their clients. The company was founded in 2000 and is based in Starnberg, Germany.

Starnberger 5-Seen-Land Vermögensbetreuungs AG provides asset management and other related financial services. It specializes and concentrates on providing services to private customers and institutional investor (foundations, societies, firms) both in the national and in the international security markets and foreign currencies markets active. The company is headquartered in Ammerland, Germany.

carpooling.com GmbH develops and operates internet portals for car pooling. It operates Carpooling.com, which offers ridesharing opportunities that are accessed by computers, mobile phones, and social networks. The company was founded by Michael Reinicke, Matthias Siedler, and Stefan Weber in 2001 and is headquartered in Munich, Germany.

Yahoo!, Inc. is a guide to digital information discovery, focused on informing, connecting, and entertaining users through its search, communications, and digital content products. It operates through the following geographical segments: Americas; Europe, Middle East, and Africa (EMEA); and Asia Pacific. The company was founded by Jerry Chih-Yuan Yang and David Filo in January 1994 and is headquartered in Sunnyvale, CA.