Dr. Liu Yijiao holds a Ph.D. in Economics from the State University of New York at Stony Brook, and a Bachelor's degree in Economics from Jilin University. She has previously served as a postdoctoral researcher at the Chinese University of Hong Kong, Shenzhen, where she was involved in research on Chinese judicial big data at the Social Behavioral Lab of the Shenzhen Research Institute of Big Data, under the guidance of Professor Ai Chunrong. As a primary author, she has contributed to publications such as the textbook "Big Data Analytics: From Theory to Practice" on data analysis in higher education. Dr. Liu has also participated in various national and local research projects and participated a think tank report titled "City Dynamics," submitted to the Shenzhen Municipal Committee by the Shenzhen Institute of Data Economy. Prior to her current position, she worked as a Financial Consulting Department Manager at Nathan Associates, a consulting firm in Washington, D.C., where she employed economic models and big data techniques to provide model supervision and development for credit risk control to multiple banking clients. Dr. Liu also possesses work experience in other research institutions, including the United Nations Headquarters in New York.

Since 2015, Dr. Liu has served as a lecturer for undergraduate students at the Department of Economics at Stony Brook University and the School of Management and Economics at the Chinese University of Hong Kong, Shenzhen. Additionally, she has presented her academic papers and served as a discussant at conferences such as the American Real Estate and Urban Economics Association, the North American Chinese Economics Association, the American Economic Association, and the Southern Economic Association.

Dr. Liu's research interests and areas of focus primarily include urban economics, demographic economics, and big data.