【March 1997】
Graduated from the Department of Civil Engineering, Faculty of Engineering, Hokkaido University

【April 1997】
Joined Kawasaki Heavy industries, Ltd. – engaged in the design of steel sluice facilities for dams and rivers, and so forth

【February 2002】
First-Class Civil Engineering Works Execution Managing Engineer


【April 2004】
Admitted to Aoyama Gakuin University Law School


【March 2007】
Graduated from Aoyama Gakuin University Law School


【September 2007】
Passed the bar examination / November: Joined the Legal Training and Research Institute


【December 2008】
Registered with the Saitama Bar Association (New 61st)


【January 2009】
Joined the Akamatsu Takeshi Law Office


【April 2010】
Registration changed to the Dai-ni Tokyo Bar Association / Established the Yamaguchi Law Office


【April 2013】
Member of the Regular Meeting of the Dai-ni Tokyo Bar Association


【October 2013】
Joined the Uchida & Samejima Law Firm


【April 2015】
Visiting Professor of Aoyama Gakuin University Law School

【January 2020】
Became a partner in the firm