Ms. YU Dan (于丹), aged 45, is the executive Director, appointed on July 29, 2021 and the chief executive officer, appointed in March 2017. Ms. Yu is primarily responsible for overall strategy planning, corporate governance, business direction, and business management of our Group. Ms. Yu joined our Group in March 2017 and has served several positions in our Group, including serving as the chief executive officer and co-founder at Mijing Hefeng since March 2017, as the chief executive officer at Huafang Technology since October 2020 and as the executive director and the general manager at Chengdu Huayang Technology Co., Ltd. (成都花漾科技有限公司) since April 2019. Prior to joining our Group, Ms. Yu worked as a senior director at Tianjin Qisi Technology Co., Ltd. (天津奇思科技有限公司) (currently known as 360 Technology Group Co., Ltd. (三六零科技集團有限公司)) from January 2016 to February 2017. She also worked as the chief executive editor at Baidu Online Network Technology (Beijing) Co., Ltd. (百度在線網絡技術(北京)有限公司) from November 2011 to July 2015. Ms. Yu graduated from Xi’an Jiaotong University with a bachelor’s degree in business administration in July 2000. She further obtained a master’s degree in business administration from Xi’an Jiaotong University in April 2003.