1983 - Graduated School of Engineering, Keio University: awarded Masters' Degree by Electrical Engineering.
April 1983 - Joined Toshiba Corporation
2011 - Technology Executive of Memory Division, General Manager of Flash Card Engineering Dept., Memory Division: Semiconductor & Storage Products Company
2013 - Executive Officer, Corporate Vice President, Vice President of Memory Division: Semiconductor & Storage Products Company
2015 - Executive Officer, Corporate Senior Vice President, President and CEO: Semiconductor & Storage Products Company
2017 - Director, Senior Vice President, Chief Technology Officer,Toshiba Electronic Devices & Storage Corporation