Mr. Ya-Qin Zhang is our independent director and has served as our independent director since April 2014. Mr. Zhang has served as an independent director and member of the audit committee of Autohome Inc., a NYSE-listed company, since December 2013. Mr. Zhang has served as a director of ChinaCache International Holdings Ltd., a NASDAQ-listed company, since September 2010. Mr. Zhang has been serving as the chairman of Microsoft Asia-Pacific R&D Group since 2005 and is in charge of the research and development of Microsoft Corporation in the Asia-Pacific region. Mr. Zhang is one of the founding members of the Microsoft Research Asia lab, where he served as managing director and chief scientist, and he also founded the Advanced Technology Center in 2003. Before joining Microsoft in 1999, Mr. Zhang was a director for the Multimedia Technology Laboratory at Sarnoff Corp. and worked as a senior technical staff member for GTE Laboratories Inc. and Contel Corp. From 2009 to 2012, Mr. Zhang served as an independent director of China Real Estate Information Corporation, a provider of real estate information, consulting and online services in China. Mr. Zhang received his bachelor’s and master’s degrees in electrical engineering from the University of Science and Technology of China and a Ph.D. in electrical engineering from George Washington University.