Dong Xie has served as QuantaSing’s chief financial officer since January 2021 and as its director since June 2022. Prior to joining QuantaSing, Mr. Xie had served as the partner of capital market services at PGadvisory from March 2020 to December 2020. From January 2019 to March 2020, Mr. Xie served as the chief financial officer at Renmai Technology Group. From September 2014 to December 2018, Mr. Xie served as the chief financial officer and company secretary of Finup Financial Technology Group (Holdings) Co., Ltd. From April 2010 to September 2010, Mr. Xie served as a vice president at CCB International (China) Co., Ltd. From November 2007 to March 2010, and from October 2010 to August 2014, Mr. Xie served as the associate director at the merger and acquisition transaction service department of Deloitte China. Mr. Xie is a Chinese Certified Public Accountant, Certified Internal Auditor, Certified Tax Agent and holds the China Legal Professional Qualification. He received his bachelor’s degree in economics and master’s degree in global economics from Nankai University in June 2003 and June 2006, respectively, and he started in September 2021 for the EMBA degree jointly offered by Guanghua School of Management of Peking University and Kellogg School of Management of Northwestern University. He has been acting as an independent director and chairman of the audit committee for China BlueChemical Ltd (HKEX:3983) since May 2021.