Mr. Eric Siliang Tan is our co-founder, chairman of board of directors and chief executive officer. Mr. Tan has more than 14 years of experience in the Internet industry and serial entrepreneurship experiences. Mr. Tan served as chief executive officer of AdIn Media (Shanghai) Co., Ltd. from 2013 to 2018, an advertising technology company he founded in 2013, which was acquired in 2015 by Wutong Holding Group Co., Ltd., a company listed on Shenzhen Stock Exchange. Prior to that, Mr. Tan was head of advertising solutions of Shanghai Shengyue Advertising Co., Ltd., a subsidiary of SNDA Interactive Entertainment Limited from 2010 to 2013, in charge of developing open Internet advertising platform. Previously, Mr. Tan served at Wealink.com, an Internet recruiting company, as chief technology officer from 2008 to 2009, and at 51.com, an online game company, as engineering manager in 2008. Mr. Tan worked at Yahoo! China, with his last position as senior engineer, from 2006 to 2008. Mr. Tan graduated from Tsinghua University with a bachelor of engineering degree in automation in 2002. Mr. Tan graduated from Chinese Academy of Sciences with master of engineering degree in artificial intelligence in 2006.