Mr. Tony Zhao is our founder, Chief Executive Officer and Chairman. Mr. Zhao founded our company in November 2013. From December 2009 to March 2015, Mr. Zhao served as a director of YY, Inc. (recently renamed JOYY Inc.), a video-based social network listed on the Nasdaq Stock Market. Mr. Zhao also served as chief technology officer of YY, Inc. from October 2008 to December 2013. Prior to joining YY, Inc., Mr. Zhao founded NeoTasks, LLC in 2004 and served as its chairman and chief technology officer until 2008. From 1997 to 2004, he served as a senior engineer at WebEx Communications Inc. where he was responsible for developing audio and video calling functions and designing backend architecture. Mr. Zhao received a bachelor’s degree in radio and electronics from Peking University in 1992.

Mr. Qin Liu has served as our director since December 2014. Mr. Liu has served as managing director of Morningside Venture Capital Limited (MVCL) since June 2007 and of Evolution Capital Management Limited (ECML) since August 2018. Mr. Liu served in various roles, including as business development director for investment at Morningside IT Management Services (Shanghai) Co., Ltd before June 2007. MVCL and ECML provide advisory service to various funds and Mr. Liu has served as a director in both public and non-public portfolio companies of such funds. Mr. Liu has served as a director of Xiaomi Corporation, an internet company focused on smartphones and smart hardware connected by an IoT platform that is listed on the Main Board of the Hong Kong Stock Exchange, since May 2010. Mr. Liu has also served as a director of YY, Inc. (recently renamed JOYY Inc.), a video-based social network listed on the Nasdaq Stock Market, since June 2008. Mr. Liu previously served as a director of Xunlei Limited, a cloud-based acceleration technology company listed on the Nasdaq Stock Market, from September 2005 to April 2020. Mr. Liu received a bachelor’s degree in industrial electrical automation from the University of Science and Technology Beijing in July 1993, and a master’s degree in business administration from China Europe International Business School in April 2000. We believe Mr. Liu’s experience as a public company director and a prominent venture capitalist in China qualifies him to serve on our board of directors.

Mr. Tuck Lye Koh has served as our director since May 2018. Mr. Koh co-founded Shunwei Capital, a China-based, technology-focused venture capital fund, in 2011 and has served as its chief executive officer since then. Mr. Koh has extensive investment experience, spanning early to growth stage investments in multiple industries, including TMT, manufacturing, retail and consumer and logistics. At Shunwei Capital, Mr. Koh is responsible for overall investment and management, and has led the firm’s investments in a wide variety of technology-based entities. Mr. Koh served as a director of Xiaomi Corporation, an internet company focused on smartphones and smart hardware connected by an IoT platform that listed on the Main Board of the Hong Kong Stock Exchange, from August 2013 to October 2019. Mr. Koh also currently serves, and has served, as a director of multiple privately held technology companies. Before co-founding Shunwei Capital in 2011, Mr. Koh held various management positions in several international institutions including C.V. Starr, GIC, AIG and Deutsche Bank. Mr. Koh received a bachelor’s degree in mechanical engineering from the National University of Singapore in 1996 and a master of science degree in industrial engineering (engineering management) from Stanford University in 1999. Mr. Koh was also accredited as a chartered financial analyst by the Association for Investment Management and Research (now the CFA Institute) in 2000. We believe Mr. Koh’s experience as a public company director and as co-founder and chief executive officer of a technology-focused venture capital firm qualifies him to serve on our board of directors.

Mr. Eric He has served as our director since June 2020. Mr. He has served as an independent director and audit committee chairman of Bilibili Inc., an online entertainment company listed on the Nasdaq Stock Market since March 2018. Mr. He has also served as an independent director of 51job, Inc., a nationwide provider of integrated human resource services in China listed on the Nasdaq Stock Market, since July 2014. Mr. He previously served as the chief financial officer of YY Inc. (recently renamed JOYY Inc.), a video-based social network listed on the Nasdaq Stock Market from August 2011 to April 2017. Prior to that, Mr. He served as chief financial officer of Giant Interactive Group, Inc. from March 2007 to August 2011 and chief strategy officer of Ninetowns Internet Technology Group from 2004 to 2007. From 2002 to 2004, he served as a private equity investment director for AIG Global Investment Corp (Asia) Ltd. Mr. He received a bachelor’s degree in accounting from National Taipei University and a master’s degree in business administration from the Wharton School of Business at the University of Pennsylvania. Mr. He is a Certified Public Accountant and Chartered Financial Analyst in the United States. We believe Mr. He’s experience as chief financial officer and director of various public companies qualifies him to serve on our board of directors.

Mr. Steve Zhang has over 30 years of experience in the global information technology industry. Mr. Zhang served as Chief Executive Officer of 21Vianet Group, Inc., a leading carrier-neutral internet data center provider listed on the Nasdaq Stock Market, from October 2015 to June 2018. Mr. Zhang previously served in various senior level positions at AsiaInfo Technologies Limited, a leading provider of IT solutions and services in the telecommunications industry, from 1999 to 2014, with his last position being President and CEO from 2005. Prior to AsiaInfo, Mr. Zhang worked for ten years in various IT companies in Silicon Valley, including Sun Microsystems and Hyperion Solutions. Mr. Zhang received his master's degree in computer science from Rice University, his doctorate's degree in information science from the University of Pisa, and his bachelor's degree in science from Tsinghua University.