Kun Guo received the M.E. and Ph.D. degrees in computer science and technology and management from Fuzhou University, Fuzhou, China in 2005 and 2012, respectively. He is currently a professor with the College of Computer and Data Science (CCDS) at Fuzhou University. He was also a visiting scholar at Hong Kong University of Science and Technology, Hong Kong, China, from 2019 to 2020. He is a member of China Computer Federation (CCF) and Fujian Provincial Key Laboratory of Network Computing and Intelligent Information Processing. His research interests include complex network data mining, distributed computation, federated learning and grey system theory.