He received his B.S. degree from Dept. of Electrical and Electronics Engineering in 1982, and his Ph.D. degree from Dept. of Computer Science in 1987, Tokyo Institute and Technology. He was a visiting scholar at CSLI, Stanford University from 1989 to 1990. His research interests include artificial intelligence, global intelligence and machine learning. Numao is a member of Information Processing Society of Japan, Japanese Society for Artificial Intelligence, Japanese Cognitive Science Society, Japanese Society for Software Science and Technology, AAAI and AIUEO.