Mr. Louis Hsieh has served as our director since March 2007 and senior advisor since January 2016. From May 2009 to January 2016, Mr. Hsieh served as our president, and from December 2005 to April 2015, he served as our chief financial officer. Mr. Hsieh currently serves as the global chief financial officer, since April 2021, and board director, since June 2021, of Hesai Technology, a global leader in 3-D Lidar solutions. Mr. Hsieh also serves as an independent director since May 2014, of JD.com Inc. (Nasdaq: JD; HKEX: 9618), a leading technology driven e-commerce company in China listed on Nasdaq and the Hong Kong Stock Exchange, and an independent director since November 2016, and chairman of the audit committee from 2016 to 2019, of Yum China Holdings, Inc. (NYSE: YUMC; HKEX: 9987), the leading operator of restaurant chains in China including KFC and Pizza Hut.. From May 2017 to October 2019, Mr. Hsieh served as the global chief financial officer of NIO Inc. (NYSE: NIO; HKEX: 9866; SGX: NIO), a leading electric car original equipment manufacturer. Prior to joining us in 2005, Mr. Hsieh was the chief financial officer of ARIO Data Networks, Inc. in San Jose, California from 2004 to 2005. Prior to that, Mr. Hsieh was a managing director for the private equity firm of Darby Asia Investors (HK) Limited from 2002 to 2003. From 2000 to 2002, Mr. Hsieh was the managing director and the Asia-Pacific tech/media/telecoms head of UBS Capital Asia Pacific, the private equity division of UBS AG. From 1997 to 2000, Mr. Hsieh was a technology investment banker at JP Morgan in San Francisco, California, where he was a vice president, and Credit Suisse First Boston in Palo Alto, California, where he was an associate. From 1990 to 1996, Mr. Hsieh was a corporate and securities attorney at White & Case LLP in Los Angeles.

Mr. Hsieh holds a bachelor’s degree in industrial engineering and engineering management from Stanford University, an MBA degree from the Harvard Business School, and a J.D. degree from the University of California at Berkeley.

Mr. Michael Minhong Yu is the founder of our company and has served as the chairman of our board of directors since August 2001. He was our chief executive officer from 2001 to September 2016. Mr. Yu currently serves as the chairman of the board, executive director and chief executive officer of East Buy Holding Limited (HKEX: 1797), a majority-owned subsidiary of New Oriental.

Prior to founding our first school in 1993, Mr. Yu was an English instructor at Peking University from 1985 to 1991. Mr. Yu received his bachelor’s degree in English from Peking University.