Mr. Peiqing Tian has served as our chairman since our inception and our chief executive officer from inception to November 2019. Mr. Tian has been dedicated to math education and critical to the development and success of our business. Mr. Tian is the editor-in-chief of Elementary School Mathematical Thinking: Practice Problems and Solutions and various other books on math education. In addition, he has served in various head coach and organizational committee positions for math competitions, such as director of the Shanghai regional organization committee of the Asia International Mathematical Olympiad Open Contest in 2015, head coach and secretary-general of the Asia Pacific Elementary School Mathematics Olympiad Invitational Competition in 2014 and head of the Shanghai testing center of the American Mathematics Competition in 2013. Prior to founding our company, he served as a teacher at Shanghai Wuning Middle School from 1984 to 1989. Between 1989 and 2004, Mr. Tian worked in management roles in several travel agencies. He received his bachelor’s degree in mathematics from East China Normal University in 1984.