Jian Tang
Jian Tang
Chairman, Chief Executive Officer and Co-Founder

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.

David Tie Zhu Zhang
David Tie Zhu Zhang
Director and Chief Financial Officer
Mr. David Zhang has served as our director and our chief financial officer since January 31, 2022. Mr. Zhang has approximately 25 years of experience in financial management, auditing, investment and business operations. Prior to joining us, Mr. Zhang served in senior management roles and advisory capacities at PwC, Deloitte and conglomerates listed on the Hong Kong and US stock exchanges. He received a bachelor’s degree in accounting from the University of Shanghai for Science and Technology and studied civil law in Peking University. Mr. Zhang is a Member of the Chinese Institute of Certified Public Accountants. He holds qualification as a PRC lawyer.