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Mr. Mi Tian has served as the Company’s vice chief technology officer since December 2019, and has been responsible for technical system management. Mr. Tian joined the Company in May 2019 and had been in charge of product technology for Xueersi Peiyou. Prior to his role with the Company, Mr. Tian served as a senior technology director for Alibaba from 2016, the vice president of technology for AutoNavi from 2014 to 2016, and the general manager of AutoNavi’s big data department from August 2013 to 2014. Before that, Mr. Tian worked at Tencent from 2006 to 2013, including serving as research and product director for Tencent Map starting from 2011. Mr. Tian received his bachelor’s degree and master’s degree from Beihang University in computer science.