Mr. Dagang Feng has served as our chief executive officer and the co-chairman of our board of directors since August 2019. Mr. Feng has served as Beijing Duoke's chief executive officer since December 2016 and its director since August 2018, and is responsible for the overall business strategies and operation. Mr. Feng has also served as a director at Xieli Zhucheng since September 2016. Mr. Feng has over 10 years of managerial experience and over 15 years of expertise in media and investment sectors. Before joining us, Mr. Feng served as a senior investment manager at Matrix Partners China from 2012 to 2016, where he primarily focused on investments in Internet and technology sectors. Prior to that, Mr. Feng co-founded YiMagazine, previously known as CBNweekly which is sponsored by Shanghai Oriental Media Group, a leading business magazine in China, where he served as the associate chief editor and the general manager of marketing department from 2007 and 2012. Before YiMagazine, Mr. Feng was a senior journalist at ChinaByte.com, an IT-focused vertical portal based in China, from 2005 to 2007, and a senior journalist at the Economic Observer, one of China's most influential economic-focused newspapers in China, from 2003 to 2005, respectively. Mr. Feng currently serves as a board member of several private companies. Mr. Feng received his bachelor's degree in economics from Dalian Maritime University in 2002, and a post-graduate diploma in journalism and communication from Tsinghua University in 2007.
Ms. Yang Li has served as our chief content officer since August 2019, and our board of directors since June 2020. Ms. Li has served as Beijing Duoke's chief content officer since September 2016 and is responsible for the content creation for our platform and has extensive experience in the media sector. Prior to joining us, Ms. Li served at YiMagazine, previously known as CBNweekly which is sponsored by Shanghai Oriental Media Group, a leading business magazine in China, where she joined as a founding member, and held various positions, including the chief editor of the magazine and the chief commentator for an editorial column called the Observer from 2008 to 2016. Before YiMagazine, Ms. Li served as a journalist at China Internet Weekly magazine and China Information World newspaper. Ms. Li received a bachelor's degree in computer science from Shenyang University of Technology in 1999, a bachelor's degree in editing and publishing science from Tsinghua University in 2005, and a post-graduate diploma in integrated and practicing management from Hong Kong University in 2016.