Mr. Sean Shao has served as our independent director since May 2019. Mr. Shao has served as an independent director and the chairman of the audit committee of 21Vianet Group, Inc. (NASDAQ: VENT) since 2015, Jumei International Holding Ltd. (NYSE: JMEI) since 2014, LightInTheBox Holdings Co. Ltd. (NYSE: LITB) since 2013, UTStarcom Holdings Corp. (NASDAQ: UTSI) since 2012 and China Biologic Products, Inc. (NASDAQ: CBPO) since 2008. Mr. Shao served as an independent director, the chairman of the compensation committee and the chairman of the corporate governance and nominating committee of Agria Corporation (NYSE: GRO) from 2008 to 2017, from 2008 to 2010 and from 2010 to 2017, respectively. He served as the chief financial officer and a board member of Trina Solar Limited from 2006 to 2008 and from 2015 to 2017, respectively. Mr. Shao also served as a director of Yongye International, Inc. from 2009 to 2014. In addition, Mr. Shao served as the chief financial officer of ChinaEdu Corporation, and of Watchdata Technologies Ltd from 2004 to 2006. Prior to that, Mr. Shao worked at Deloitte Touche Tohmatsu CPA Ltd. for approximately a decade. Mr. Shao obtained a bachelor's degree in art from East China Normal University in 1982 and a master's degree in health care administration from the University of California at Los Angeles in 1988. Mr. Shao is a member of the American Institute of Certified Public Accountants.