Changxun Sun

Chairman of the board and Chief Executive Officer

Mr. Changxun Sun is our founder and has served as the chairman of our board of directors and our chief executive officer since our inception. Prior to founding our company, Mr. Sun served as the chief engineer and vice president of research and development of Beijing Hisunsray Information Technology Co., Ltd. from August 2000 to August 2013. From July 1998 to August 2000, Mr. Sun served as a software engineer at the research and development center of PCI-Suntek Technology Co. Ltd. (SHEX: 600728). Mr. Sun received his bachelor’s degree in mathematics from Huazhong University of Science and Technology in 1998, and an MBA from Tsinghua University in 2009.