Vincent Wenyong Shi is a founder of our company. Dr. Shi has served as our chairman since December 2014, our director since January 2011, our chief operating officer since our inception in October 2005 and our acting chief financial officer from August 2014 to June 2015. He is responsible for the operations of our company, including management of business operations, channel development, online business development and customer support. Dr. Shi also served the chairman of the board of directors of Beijing Wangnuo Xingyun Technology Co., Ltd., Beijing Yuanxin Technology Co., Ltd. and another two private companies, and the executive partner of Xinjiang Yinghe Investment Management Limited Partnership. Dr. Shi received a Ph.D and a master’s degree in geographic information system and a bachelor’s degree in computer science from Peking University.

Zemin Xu has served as our director and chief executive officer since December 2014 and our president from December 2010 through December 2014. Mr. Xu has served as a member of the audit committee, strategy and development committee, compensation committee and evaluation committee of Hengxin Mobile Business Co., Ltd., a company listed on the Shenzhen Stock Exchange, since January 2012. From January 2007 to November 2010, Mr. Xu was the vice president and the business development and strategic marketing general manager of Asia Info-linkage, Inc., which was a NASDAQ listed company. Prior to that, Mr. Xu worked at Internet Security One (China) Co., Ltd., where he served as the chief operating officer and the executive vice president in charge of day-to-day operations from March 2005 to November 2006. Before joining Internet Security One (China) Co., Ltd., Mr. Xu served multiple positions with business and management functions in the posts and telecommunicatio

Justin Chen has served as our President and General Counsel since February 2016 and our director since July 2014. Mr. Chen is a California-licensed attorney and is a counsel at PacGate Law Group. Before joining PacGate Law Group, Mr. Chen was the chief executive officer of Starvax Inc., a biotechnology company based in Beijing, China from 2003 to 2005. Mr. Chen was an attorney at Intellectual Property Law Group, LLP in San Jose, California from 1998 to 2003. Mr. Chen received a juris doctor degree and a master’s degree in biochemistry from the University of Iowa and a bachelor’s degree from Peking University.

Roland Wu has served as our chief financial officer since June 2015 and was our director from December 2014 to February 2016. Mr. Wu has served as Executive Director of Winshine Science Company Limited from 2014 to 2016. In addition, Mr. Wu was Executive Director of Bestway International Holdings Limited from 2013 to 2014. Additionally, Mr. Wu served as a portfolio manager at Haitong International Asset Management Company from 2010 to 2013. Mr. Wu received an MBA from Nankai University and a Bachelor of Computer Science from Beijing Jiaotong University.