Kiyoshi Kimachi was born in Tokyo in 1961. He graduated from the Tokai University Department of Physics in 1985. In the same year, he joined Fujitsu, and engaged in developing and maintaining tools of the digital telephone switching system. Then he was in charge of developing the operation system of transmission and communication apparatus of the communication carrier in 1995, and was responsible for the application, infrastructure and performance.
Since 2009 in the solutions department, he has been responsible for the standardization of the system infrastructure technology, and established the OSS Integration Center in 2014.