He received the B.Sc. and M.Sc. degrees in Computer Science from the University of Sao Paulo, Brazil, and the Ph.D. degree in Information Engineering from Osaka University, Japan. Before joining the University of Sao Paulo, Prof. Isotani worked as a research fellow associated with the Human-Computer Interaction Institute at Carnegie Mellon University, USA. He was also Invited Professor at Tokyo Institute of Technology, Japan Advanced Institute of Science and Technology and Pompeu Fabra University.