1983

Joined IBM Japan, Ltd.

1991

Joined Recruit Co., Ltd.

1994

Managing Director of Pricewaterhouse Consultant

2002

Vice President of IBM Business Consulting Services KK (in charge of Asia-Pacific business consulting service strategy, marketing and operations)

2004

Representative Director and Senior Executive Vice President of JAPAN TELECOM CO., LTD. (now SoftBank Corp.)

2006

Vice President of JAPAN TELECOM CO., LTD.

2006

Representative Director of RHJ International Japan, Inc. (formerly Ripplewood Japan)

2008

Director and partner in charge of corporate staff at SIGMAXYZ Inc. (now SIGMAXYZ Holdings Inc.)

2010

Executive Vice President and Director of SIGMAXYZ Inc. (now SIGMAXYZ Holdings Inc.)

2012

Director of Plan・Do・See Inc.

2015

Director of Shinsei Bank, Limited (now SBI Shinsei Bank, Limited)

2016

Executive Vice President and Representative Director of SIGMAXYZ Inc. (now SIGMAXYZ Holdings Inc.)

2018

President, Representative Director and COO of SIGMAXYZ Inc. (now SIGMAXYZ Holdings Inc.)

2019

President and Representative Director of SIGMAXYZ Inc. (now SIGMAXYZ Holdings Inc.) (current position)

2020

Director of VECTOR INC. (current position)