Graduated from the National Defense Academy of Japan in 1985 and completed a master's program at the University of Tsukuba in 1998. Became the leading pilot of the 101st flight division, Maritime Self-Defense Force, in 1998. Enrolled in the General Course of the National Institute for Defense Studies in 2001. Stationed in China between 2003 and 2006 as a naval attaché. Became chief of the intelligence section, MSDF Maritime Staff Office, Ministry of Defense, in 2006; executive officer of the 21st Flight Squadron, MSDF, in 2008; and commanding officer of the squadron the following year. Joined NIDS as a research fellow in 2010. Worked at IHS Jane's from 2011 as an analyst and business development manager before assuming his present position in January 2013.