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.