Yi Wang, Chairman of the Board of Directors and Chief Executive Officer

Portrait

Yi Wang is one of our founders, and has served as the chairman of our board of directors and our chief executive officer since the inception of our company. Prior to that, Dr. Wang served as a product director at AdChina, a leading online advertising platform in China, from April 2011 to August 2012. From July 2009 to April 2011, he served as a product manager at Google and was responsible for various key features and systems of Google Analytics and Google's cloud infrastructure. He received his bachelor's degree and master's degree in electrical engineering from Tsinghua University in 2003 and 2005, respectively, and his Ph.D. degree in computer science from Princeton University in 2009.

Zheren Hu, Director and Chief Technology Officer

Portrait

Zheren Hu is one of our founders, and has served as our director and chief technology officer since the inception of our company. He has also been in charge of our English for Adults business since April 2018. From 2010 to 2011, Mr. Hu served as an engineer at Quantcast, an AI-driven data analytics company. Mr. Hu received his bachelor's degree of engineering in computer science from Shanghai Jiao Tong University in 2006 and his master's degree of science in management information systems from the University of Arizona in 2008.

Hui Lin, Director and Chief Scientist

Portrait

Mr. Hui Lin is one of our founders, and has served as our director and chief scientist since the inception of our company. Prior to that, Dr. Lin served as a research scientist at Google from 2012 to 2013. Dr. Lin received his bachelor's degree and master's degree in electrical engineering from Tsinghua University in 2003 and in 2006, respectively, and his Ph.D. degree in electrical engineering from the University of Washington in 2011.

Bin Yu, Chief Financial Officer

Portrait

Ms. Bin Yu has served as our chief financial officer since September 2017. Prior to joining us, she served as the chief financial officer of InnoLight Technology Corporation from January 2015 to April 2017. From May 2013 to January 2015, she served as the chief financial officer of Star China Media Limited. From August 2012 to April 2013, she served as the senior vice president of Youku Tudou Inc. Ms. Yu served as the chief financial officer of Tudou Holdings Limited from January 2012 to April 2013, after serving as the vice president of finance of the same company from 2010 to 2011. Prior to that, Ms. Yu worked at KPMG from 1999 to 2010. Currently, Ms. Yu also serves as an independent director of Baozun Inc. (Nasdaq: BZUN), GDS Holdings Ltd. (Nasdaq: GDS) and Tian Ge Interactive Holdings Limited (SEHK: 1980). Ms. Yu received her bachelor's degree from Xi'an Foreign Language University in 1992, her master's degree in accounting and her master's degree in education from the University of Toledo in 1999, and her EMBA degree from Tsinghua University and INSEAD in 2013. She is a Certified Public Accountant in the United States admitted by the Accountancy Board of Ohio, a member of the American Institute of Certified Public Accountants and a member of Chartered Global Management Accountant.