10/Apr/1970 Born at Tokyo, JAPAN 　 Mar/1993 Graduated Department of Information Science, Tokyo Institute of Technology 　　Masakazu Kojima laboratory. Title of thesis: "An Algorithm for Constructing Convex Hull in 3 Dimension" Mar/1995 Graduated Master Course of Department of Systems Science, Tokyo Institute of Technology 　　Masakazu Kojima laboratory. Title of thesis: "A branch-and-support algorithm for finding a maximum stable set in a graph" Mar/1998 Graduated Doctor Course of Department of Systems Science, Tokyo Institute of Technology 　　Masakazu Kojima laboratory. Title of thesis： Studies on Speeding up Enumeration Algorithms 　 Apr/1998 Research Assistant ( Associate Professor ), Department of Industrial Engineering and Management, Tokyo Institute of Technology 　　Hiroshi Konno Laboratory. Feb/2001 Associate Professor, National Institute of Informatics, JAPAN 　 Since Oct/1999 Teaching "C Programming" Tokyo University of Mercantile Marine (now Tokyo University of Marine Science and Technology) Since Oct/2001 Teaching "Mathematical Programming II," Tokyo Institute of Technology