Andy Chang Liu
Andy Chang Liu
Chief Executive Officer

Mr. Andy Chang Liu is the Company's founder and has served as a director of the Company since February 2013 and chief executive officer since its inception. Mr. Liu worked as principal of Shenyang New Oriental School and assistant vice president at Beijing New Oriental Education & Technology Group from May 2010 to May 2011, and prior to that, as principal of Changchun New Oriental School from March 2005 to May 2010, and as an English teacher from July 2003 to February 2005. Mr. Liu received his bachelor's degree and master's degree in chemical engineering and technology from Tianjin University in 2001 and 2004, respectively.

Sishi Zhou
Sishi Zhou
Chief Financial Officer

Ms. Sishi Zhou has served as our chief financial officer since March 2026. Ms. Zhou joined our Company in December 2020, served as our finance director from June 2022 to June 2025, and was appointed as our acting chief financial officer in June 2025. She is primarily responsible for our overall financial operations, including financial reporting, business analysis, budgeting, compliance, treasury and taxation. She also leads the strategy department of our Company to manage strategic planning and key corporate initiatives. Prior to joining us, Ms. Zhou held multiple advisory positions in strategic finance at Shell plc (China), and served as Senior Finance Manager in multiple organizations as well as Senior Auditor at PwC Zhong Tian CPAs LLP. Ms. Zhou received her dual bachelor's degrees in accounting and law from Tsinghua University in 2011 and her MBA from Peking University's Guanghua School of Management in 2023.

Kuanghao Zhang
Kuanghao Zhang
Senior Vice President

Mr. Kuanghao Zhang has worked as our senior vice president since August 2018, in which capacity he oversees our after-school business. Prior to joining us, Mr. Zhang worked in several positions at TAL Education Group (NYSE: TAL), specifically in its www.xueersi.com online education services business unit from 2011 to 2018 and its offline Xueersi Peiyou small class and Mobby business unit from 2008 to 2011. The key functions Mr. Zhang was in charge of at www.xueersi.com included instructor training, learning and internet product design and R&D, user experience and research, project management, online traffic acquisition, courseware development and question bank production. His key role at TAL Education Group's offline operations included Xueersi Peiyou small class's head of primary school content development team and head of Mobby's primary school operation. Mr. Zhang received his bachelor's degree in mathematics and applied mathematics from Liaocheng University in 2008.

Na Ai
Na Ai
Director and Vice President

Ms. Na Ai has served as our director since December 2023 and our vice president of the human resources, or HR, department since April 2015. Prior to joining us, she served as the head of the HR department at Weibo (NASDAQ: WB and HKEX: 9898), a leading social media in China, from May 2012 to March 2015. Prior to that, Ms. Ai held multiple roles at Lenovo (HKEX: 992), a multinational technology company in China, including HR director and HR senior manager at the research and technology department from July 2008 to July 2011 and from July 2005 to July 2008, respectively. She also served as an operation manager and corporate development supervisor at Lenovo Research from June 2003 to July 2005 and from July 2001 to June 2003, respectively. Ms. Ai received her bachelor's degree in economics and hotel management from Beijing International Studies University in July 1999.