Mr. Lefei Sun has served as our director since December 2019 designated by General Atlantic Singapore AI Pte. Ltd. pursuant to our current effective shareholders agreement. Mr Sun has been a non-executive director of Hong Kong Asia Medical Holding Limited, a leading hospital management group in Asia with hospital assets such as Wuhan Asia Heart Hospital, from November 2018. He is also a non-executive director of various biotech companies such as Genesis MedTech and HUTCHMED. Mr. Sun has served as head of China healthcare at General Atlantic since May 2018, and has been a managing director since January 2020, in charge of private equity investment and portfolio management in healthcare and life sciences sectors. From December 2014 to April 2018, Mr. Sun was a founding partner and a member of investment committee of Beijing HuaTai Ruihe Investment Fund Management Company (LLP), also known as Huatai Healthcare Investment Fund. Mr. Sun obtained his master’s degree in neurosciences from Johns Hopkins University School of Medicine in 2006, and his bachelor’s degree in mathematics and physics from Tsinghua University in 2002.