Lean Yu received a Ph.D. from the Academy of Mathematics and Systems Science, Chinese Academy of Sciences (CAS), Beijing, China, in 2005. Currently, he is a professor at the School of Economics and Management, Beijing University of Chemical Technology, Beijing, China. He has published 5 books and over 100 papers in journals such as Applied Energy, Energy, IEEE Transactions on Evolutionary Computation, IEEE Transactions on Knowledge and Data Engineering, IEEE Transactions on Fuzzy Systems, and IEEE Transactions on Cybernetics. His research interests include business intelligence, big data mining, decision support systems, knowledge management, and financial forecasting.