Xiaosong Zhang is our independent director and has served as our independent director since April 2014. Mr. Zhang has served as an independent director and chairman of the audit committee of Sungy Mobile Limited, a NYSE-listed mobile internet company, since November 2013. Mr. Zhang has served as the chief financial officer of a privately held mobile internet company headquartered in Beijing, China, since May 2014. Mr. Zhang served as the chief financial officer of iSoftStone Holdings Limited, a NYSE-listed company, from July 2010 to April 2014. Prior to joining iSoftStone Holdings Limited, Mr. Zhang served as chief financial officer of BJB Career Education Company Limited from 2009 to June 2010, as chief financial officer of Emarket Holding Group, Ltd. from 2008 to 2009, as chief financial officer of Chinacars, Inc. from 2007 to 2008 and as chief financial officer of Vimicro International Corporation, a Nasdaq-listed company, from 2004 to 2007. From 2000 to 2004, Mr. Zhang worked as a manager and then a senior manager at the Beijing office of PricewaterhouseCoopers. From 1995 to 1999, Mr. Zhang was an auditor and then a senior auditor at the Los Angeles office of KPMG LLP. Mr. Zhang received his master’s degree in accountancy from the University of Illinois, his master’s degree in professional meteorology from Saint Louis University, and his bachelor’s degree in meteorology from Peking University. Mr. Zhang is a Certified Public Accountant in the State of California.