Jiahui Yao is an engineer at the Chinese Social Science Survey Center at Peking University. Her main areas of work include the development of survey information systems and research on methods that combine survey data with big data. She has served as the technical lead for several large-scale longitudinal projects at the survey center and has been a core research member in various national key R&D projects and National Natural Science Foundation projects related to big data analysis. She also teaches a graduate course titled "Big Data Mining and Analysis."