Sheng-Hua Xiong received the Ph.D. degree in system engineering from the School of Transportation and Logistics, Southwest Jiaotong University, Chengdu, China. He was a Research Assistant with the Department of Management Sciences and the Department of Systems Engineering and Engineering Management, City University of Hong Kong. He is currently a Lecturer with the College of Civil Aviation Safety Engineering, Civil Aviation Flight University of China. His research results have been published in peer-reviewed journals, including Information Sciences, Computers & Industrial Engineering, International Journal of Computational Intelligence Systems, International Journal of Information Technology & Decision Making, and Journal of Systems Engineering and Electronics. His current research interests include preference modeling, aggregation theory, computing with words, and group decision analysis. Dr. Xiong received the National Scholarship for Ph.D. Students Award granted by the Ministry of Education of China, in 2016, the National Scholarship for M.Sc. Students Award granted by the Ministry of Education of China, in 2013, the second prize in the National Postgraduate Mathematical Contest in Modeling Award granted by the China Academic Degrees and Graduate Education Development Center, in 2013, and the Distinguished Talents for Innovation Award of Ph.D. Students granted by Southwest Jiaotong University, in 2014.