Board of Directors

Mr. Jian Tang is our chairman of the board and co-founder and has served as our chief executive officer since January 2020. Previously, he served as our chief operating officer and chief technology officer during 2016 to 2019. Mr. Tang has approximately 20 years of experience in digital advertising and is well-known in the area of advertising technologies and big data in China. Prior to joining us, Mr. Tang founded OptAim in 2012, which was later acquired by us in July 2015. Prior to founding OptAim, Mr. Tang was Tencent’s engineering director of Advertising Platform Department who helped initiate and develop Tencent’s programmatic ad exchange platform. Mr. Tang had also served key research and engineering and management roles at Yahoo’s global research and development center, Baidu and Microsoft Research from 2005 to 2011, where he led a number of major technical and research and development projects. Mr. Tang received his doctor’s degree in computer engineering from Tsinghua University. Mr. Tang was named by Campaign Asia as one of the leaders in its Digital A-List in 2016 and was awarded Annual "Digital Transformation" Driver in STIF(Sci-Tech Innovation Festival)2022.

Mr. Sammy Wing Hong Hsieh is our director and co-founder, and served as our chief executive officer from 2009 to December 2019. Prior to founding our company, Mr. Hsieh held senior positions in a number of prominent technology companies. Mr. Hsieh was general manager for Asia Pacific at Efficient Frontier (now an Adobe company), a leading digital performance marketing company in 2008. Prior to that, Mr. Hsieh was director of Search Marketing at Yahoo Hong Kong during 2000 to 2008, during which he oversaw the business operations, including sales, marketing, business development and product management. Mr. Hsieh also held various sales and marketing positions at the LVMH Group and British American Tobacco earlier in his career. Mr. Hsieh received his bachelor’s degree in economics from the University of California, Los Angeles.

Mr. Dylan Huang has served as our director since December 2017. Mr. Huang has served as senior vice president of Meituan-Dianping since 2017. Mr. Huang served as the corporate vice president, group chief technology officer and general manager at Tencent Online Media Group from 2008 to 2017, leading its media’s mobile initiative. He was the senior lead program manager, program manager, software design engineer and software design engineer in test at Microsoft Corporation from 2001 to 2008. Mr. Huang received his bachelor’s degree in electrical engineering from Zhejiang University and his MBA degree from Washington Business School.

Mr. Lub Bun Chong has served as our director since July 2019. Mr. Chong is a partner of C Consultancy Limited, a Hong Kong-based corporate and financial advisory firm that specializes in the advertising, digital and media sectors in China and Southeast Asia. He is the author of “Managing a Chinese Partner” (published by Palgrave Macmillan) and a contributor of China articles to reputable publications. Prior to founding C Consultancy, Mr. Chong was the Chief Financial Officer and the Director of Mergers and Acquisitions of Clear Media (00100.HK), and the Chief Financial Officer of Focus Media (002027.SZ). He previously worked at PricewaterhouseCoopers in China, Hong Kong and Singapore during the 1990s. Mr. Chong received an M.B.A. from Manchester University and is a CPA.

Mr. SL Philip Kan M.H. has served as our director since January 2021. Mr. Kan has extensive experience for more than 40 years in management, finance, banking, capital market, information technology, risk management, corporate governance and corporate development. Mr. Kan has been the responsible officer, director and the senior management of several financial institutions regulated by the Securities and Futures Commission of Hong Kong since 2003. From 2000 to 2008, Mr. Kan was the Founder and Director of Galileo Capital Group Ltd (HKEx:8029), a boutique corporate finance house providing services in co-sponsoring IPO, shares placement, M&A, assets management and financial advisory. Prior to this, Mr. Kan held senior positions in a number of prominent companies, including First Pacific Bank Limited, HSBC, AIG Finance (HK) Ltd, General Electric Co and Bank of America earlier in his career. In July 2022, Mr. Kan was awarded Medal of Honour (M.H.) by the Hong Kong S.A.R. government. Mr. Kan obtained his MBA degree from the Henley Management College at Brunel University.

Mr. Winson Ip Wing Wai has served as our director since June 2024. Mr. Ip has more than 20 years of experience in financial and operational management, compliance and ESG management, investment, merger and acquisition, investor relations, accounting and auditing. Currently, he is an independent non-executive director and the chairperson of the audit committee of Deewin Tianxia Co., Ltd (2418.HK) from 2021. He was an independent non-executive director and an audit committee member of 8088 Investment Holdings Limited (8088.HK) from 2020 to 2022. He served as an executive director of Beijing Beida Jade Bird Universal Sci-Tech Company Limited (8095.HK) and then served as a non-executive director of Beijing Beida Jade Bird Universal Sci-Tech Company Limited from 2018 to 2021. He has held multiple leadership positions, including as the chief financial officer at Sincere Watch (Hong Kong) Limited (444.HK) from 2020 to 2021, the chief financial officer and company secretary of Huili Resources (Group) Limited (1303.HK) from 2011 to 2019, and the vice president of King Stone Energy Group Limited (663.HK) from 2010 to now. He had also worked at KPMG. He obtained his bachelor of business administration in accounting from The Hong Kong University of Science and Technology in 2000 and is currently a member of the Hong Kong Institute of Certified Public Accountants.