Christian Robert Stahl

Apax Partners Beteiligungsberatung GmbH (APB) is a private equity firm located in Munich, Germany. APB is a subsidiary of London-based Apax Partners Holdings Ltd. with the ultimate parent firm being UK-headquartered Apax Partners Worldwide LLP which can trace their history to 1972. In 1972, Ronald Cohen and Maurice Tchenio co-founded the Multinational Management Group (MMG). In 1976, the Alan Patricof Associates firm joined forces with MMG to form Apax Partners. In 2002, the European and the U.S. operating firms merged to become Apax Partners Worldwide LLP, headquartered in London. They also operate through offices in New York, Madrid, Milan, Paris, Stockholm, Mumbai, Tel Aviv and Hong Kong. In 2005, the Apax Foundation was established for the group's charitable donations. The foundation supports entrepreneurial endeavors, social investment and educational initiatives aimed at alleviating poverty worldwide.

Apax Partners LLP engages in providing investment services. It focuses on investing in firms across the global sectors such as technology and telecommunications, services, healthcare, and consumer. The company was founded by Ronald Mourad Cohen and Alan J. Patricof in 1969 and is headquartered in London, the United Kingdom.

Bain & Co., Inc. provides management consulting services. It offers advisory services to the companies on their critical issues and opportunities: strategy, marketing, organization, operations, technology and mergers and acquisitions, across all industries and geographies. The company was founded in 1973 and is headquartered in Boston, MA.

Bankrate, Inc. was operated as a publisher and aggregator and distributor of personal finance content on the Internet. The company was founded in 1976 and was headquartered in New York, NY.

Central European Media Enterprises Ltd. is a media and entertainment company that has operations in Central and Eastern Europe. It operates television networks in Bulgaria, the Czech Republic, the Slovak Republic and Romania. The company also develops and produces content for their television channels. Central European Media Enterprises was founded by Ronald Steven Lauder in June 1994 and is headquartered in Hamilton, Bermuda.

Cengage Learning, Inc. provides educational technology solutions. It offers personalized services and course driven digital solutions for the higher education and K-12, professional, and library markets. The firm's brands include Brooks, Cole, Course Technology, Delmar, Gale, Heinle, South Western, and Wadsworth. The company is headquartered in Boston, MA.