He received his Ph.D. and M.S. degree in Information Science and Technology from the University of Tokyo in 2007. Prior to joining PARI, he was a Project Assistant Professor (Project Lecturer) in Graduate School of Engineering at the University of Tokyo. With a background in Artificial Intelligence, he has conducted several researches in user modeling, information extraction and social networks. During 2006–08, he was a visiting researcher at German Research Center for Artificial Intelligence (DFKI). His current research interests include decision support for innovation policies and scholarly big data analysis.