Shigeaki Sakurai received BS degree in mathematics, MS degree in mathematics, and Ph.D. degree in engineering from Tokyo University of Science, in 1989, 1991, and 2001, respectively. He became a Professional Engineer of the Information Engineering field in 2004. He is currently with the Business Intelligence Laboratory, Advanced IT Laboratory, Toshiba Solutions Corporation from Knowledge Media Laboratory, Corporate Research & Development Center, Toshiba Corporation. He has been a visiting professor at Tokyo Institute of Technology since 2009. He is a director of Japan Society for Fuzzy Theory and Intelligent Informatics. His research interests include data mining, computational intelligence, and web intelligence.