Lei Chen
Lei Chen is a founding member of our company and has served as our co-chairman of the board of directors and co-chief executive officer since December 2025. He has served as our director since July 2020, and co-chief executive officer since April 2023. Mr. Chen served as our chairman of the board of directors from March 2021 to December 2025, as our chief executive officer from July 2020 to April 2023, as our chief technology officer from 2016 to 2020 and as our director from February 2017 to July 2018. Prior to joining our company, Mr. Chen served as chief technology officer of Xinyoudi Studio since 2011. Mr. Chen’s prior working experience includes internships with Google (Nasdaq: GOOG), Yahoo Inc. and IBM (NYSE: IBM) in the United States. Mr. Chen was trained as a data scientist and is a prolific publisher on the subject of data mining, and has presented his works in large international conferences, such as the ACM SIGMOD Conference, Very Large Data Bases (VLDB) Conferences and International Conference on Machine Learning. Mr. Chen received his bachelor’s degree in computer science from Tsinghua University and his doctoral degree in computer science from University of Wisconsin-Madison.