Wang Chongkai specializes in information management, information systems, information product economics, platform economy, and energy economics. He can be contacted via email at ckwang@cumtb.edu.cn. Wang Zhongkai holds a Ph.D. in Management Science and Engineering from Tianjin University, where he also completed his Master's degree. He completed his Bachelor's degrees in Finance (minor) at Nankai University and Information Management and Information Systems (with a focus on confidential management) at Tianjin University. Currently, he works at the School of Management, China University of Mining and Technology (Beijing), teaching courses on big data analysis for securities investment and practical online big data analysis and mining for undergraduate students.