Chang Q. Sun

Warburg Pincus Japan Ltd. (WPJL) is the Tokyo-based subsidiary of Warburg Pincus & Co. in the US. Established in 1998, WPJL is a private equity firm with additional offices in Beijing, Frankfurt, Hong Kong, London, Menlo Park, Mumbai, New York and Shanghai. The firm's global network of professionals works collectively across geographies and sectors to provide private equity services to entrepreneurs and businesses.

AsiaInfo Holdings, Inc. provides high-quality telecom software solutions and IT security products and services in China. In the telecom market, software products and services enable customers to build, maintain, operate, manage and continuously improve their communications infrastructure and services. The company's largest customers are China's major telecom carriers China Mobile, China Unicom and China Telecom. In addition to providing telecom software solutions and services, it also offer sophisticated IT security products and services, such as firewall and Virtual Private Network products in China. AsiaInfo was founded by Michael Zhao in Dallas, Texas in 1993. In 1995, They moved major operations to China and designed and implemented most of the nation's major commercial Internet backbone projects.