1990

Joined KOKUSAI Securities Co., Ltd. (now Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.)

1995

Joined MEX Co., Ltd.

1997

Joined FORVAL CORPORATION

2000

Joined SOFTBRAIN Co., Ltd

2005

Executive Officer of SOFTBRAIN Co., Ltd

2006

Director of Seer Insight Security Co., Ltd.

2008

Director of REALIT Co., Ltd.

2011

Joined Fidec Corp. (now Accretive Co., Ltd.)

2012

Standing Auditor of SOFTBRAIN Co., Ltd.(current position)

2020

Auditor of VECTOR INC. (current position)