Hiroyuki TAKIZAWA is currently a professor of the Cyberscience Center and Graduate School of Information Sciences, Tohoku University. His research interests include high-performance computing systems and their applications. He received the B.E. Degree in Mechanical Engineering, and the M.S. and Ph.D. Degrees in Information Sciences from Tohoku University in 1995, 1997 and 1999, respectively. He is a member of the IEEE CS, the IEICE, the ACM SIGHPC, and the IPSJ.