Joined Daiwa Securities Co., Ltd. in 1987. Changed to Monex Securities Co., Ltd. in September 1999 and assumed the post of Director of Monex Securities Co., Ltd. in April 2007. In February 2011, he became Director and Managing Executive Officer of the company, and in April 2017, Managing Executive Officer of the company. Monex Group, Inc. has been an executive officer of the company in April 2010, a director of the company in June 2011, and an executive officer of the company in June 2013.