Naoyasu Ubayashi is a Professor at Kyushu University, where he is leading the POSL (Principles of Software Languages) research group. The group is studying on software languages including programming languages, modeling languages, and domain-specific languages. He received his PhD from the University of Tokyo. He is a member of ACM SIGPLAN, IEEE Computer Society, and Information Processing Society of Japan (IPSJ). He received “IPSJ SIG Research Award 2003” from IPSJ.