Makoto Ozaki received his medical degree from Asahikawa Medical University, in Hokkaido Japan and his PhD from Tokyo Women’s Medical University in Tokyo. He received clinical training at the city hospitals in Tokyo area and Tokyo Women’s Medical University Hospital. During Research Fellow at Department of Anesthesia, University of California, San Francisco, he worked under Dr Daniel Sessler, current chair of outcomes study at Cleveland Clinic, Ohio, USA. He did a lot of study related to physiological basics of thermoregulation of the human with either general or local anesthesia. Since then, He especially focus on temperature related physiology during perioperative periods including core-temperature monitoring system using infra-red technology.