Director
Katsura Sato
- 1986
- Price Waterhouse-Tokyo Office
- 1990
- Japanese certified public accountant registration
- 1997
- Full-time Corporate Auditor, SOFTBANK CORP. (currently SoftBank Group Corp.)
- 2000
- Director of Finance and Accounting, SOFTBANK E-COMMERCE CORP. (currently SoftBank Corp.)
- 2002
- Outside Director, GungHo Online Entertainment, Inc.
- 2003
- General Manager, Administration Division, SoftBank BB Corp. (currently SoftBank Corp.)
- 2004
- General Manager, Related Business Division, SoftBank BB Corp.
- 2007
- Representative, Sato CPA & Co. (current position)
- 2007
- Outside Director, Vector Inc.
- 2008
- Outside Corporate Auditor, Carview Corporation
- 2010
- Outside Corporate Auditor, BizMobile Inc. (currently IoT-EX Inc.)
- 2012
- Outside Corporate Auditor, CAVE Interactive CO., LTD.
- 2015
- Outside Corporate Auditor, SBI SECURITIES Co., Ltd. (current position)
- 2016
- Outside Director, BizMobile Inc. (currently IoT-EX Inc.) (current position)
- 2017
- Outside Director, Defactostandard, Ltd.
- 2017
- Outside Director, gooddays holdings, Inc.
- 2019
- Outside Director and Member of Audit and Supervisory Committee, CAVE Interactive CO., LTD.
- 2024
- Outside Director, Astena Holdings Co., Ltd. (current position)