Mr. Peiqing Tian has served as our chairman since our inception in March 2007, and served as our chief executive officer from March 2007 to October 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.
Director and Chief Executive Officer
Ms. Yi Zuo has served as our Chief Executive Officer since November 2019 and our director since February 2015. Ms. Zuo also served as our chief financial officer from March 2017 to October 2019. Prior to joining us, Ms. Zuo served as a partner and the head of the China team of Lihui Private Fund, a private equity fund, from 2013 to 2016. She also has approximately 10 years of experience in investment banking at UBS Group AG, Morgan Stanley Asia Limited and Deutsche Bank AG, Hong Kong Branch. Prior to that, she served as a consulting manager at PricewaterhouseCoopers from 1997 to 2000. She received her MBA from Stanford Business School in 2004 and her bachelor's degree in economics from Fudan University in 1997.