Hui Cai received her Ph.D. degree in Computer Science and Technology from Shanghai Jiao Tong University in 2020. She is currently an assistant professor in College of Computer at Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu, China. She has authored papers in research related international conferences and journals, such as IEEE INFOCOM, IEEE TPDS, IEEE/ACM IWQoS, Elsevier Computer Networks. Her research interests include data trading, incentive mechanism design, mobile crowd sensing and game theory.