Dr. Chunhui Xu is a professor in Finance and Management Science, Chiba Institute of Technology, Japan. He completed his Doctoral degree in Engineering at Tokyo Institute of Technology, and PhD in systems Engineering at Huazhong University of Science and Technology, China. His research addresses decision under uncertainty and conflicting interests, especially in financial area. Other interests include game theories, optimization techniques, and incentives design in organizations. He has served as Editor-in-Chief of Asian Journal of Management Science and Applications.  He is a senior member of IEEE and a member of INFORMS. Dr. Takayuki Shiina is a professor at Department of Industrial and Management Systems Science, School of Creative Science and Engineering, Waseda University, Japan. He received his B.E., M.E., and Doctor of Engineering from Waseda University. He has been working in the field of mathematical programming at Central Research Instituteof Electric Power Industry (Japan), Northwestern University (USA), Chiba Institute of Technology (Japan). His main areas of interest are stochastic programming and integer programming. He was awarded the best paper prize with Professor John R. Birge (University of Chicago) from Japan Society of Industrial and Applied Mathematics.