IR

IR Information

Officer Profiles

Representative Director and PresidentCho In Soo

Cho In Soo
July 1984
Joined Samsung Electronics Co., Ltd.
December 2010
Served as Executive Director and Head of the Semiconductor System LSI Center of Company
December 2013
Served as Executive Vice President and Head of the Semiconductor Memory Manufacturing Center of Company
December 2015
Joined Samsung Display Co., Ltd. as Executive Vice President
January 2020
Served as Standing Advisor of Company
February 2022
Advisor, ZEUS Co., Ltd.
March 2025
Statutory Auditor, Lake Materials Co., Ltd.
September 2026
Representative Director and President of the Company (to present)

Representative Senior Managing DirectorHiroyuki Hirai

Hiroyuki Hirai
April 1983
Joined Sanpei Kogyo Co., Ltd.
April 1985
Joined S.E.S. Co., Ltd. (formerly Sugai Co., Ltd.)
June 2004
Managing Executive Officer of S.E.S. Co., Ltd.
June 2008
Director of S.E.S. Co., Ltd.
April 2009
Director at incorporation of the Company
March 2013
Managing Director of the Company
March 2015
Senior Managing Director of the Company
September 2020
Representative Director of J.E.T. Korea Co., Ltd.
May 2026
Representative Senior Managing Director of the Company(to present)

DirectorHirohisa Tabuchi

Hirohisa Tabuchi
April 1975
Joined The Hiroshima Bank, Ltd.
April 1995
General Manager, Misuzugaoka Branch of The Hiroshima Bank, Ltd.
February 2006
Audit & Supervisory Board Member, Audit Department of The Hiroshima Bank, Ltd.
October 2006
Seconded to LifENET Co., Ltd.
April 2007
Representative Director and President of LifENET Co., Ltd.
April 2009
Joined KAAZ Corporation
Advisor
June 2010
Permanent Auditor of KAAZ Corporation
March 2018
Director of the Company (to present)

DirectorTamotsu Ono

Tamotsu Ono
March 1965
Joined Hagihara Industries Inc.
December 1984
Director and General Manager, Plant Business Division of Hagihara Industries Inc.
January 2003
Representative Senior Managing Director of Hagihara Industries Inc.
January 2010
Advisor of Hagihara Industries Inc.
March 2013
Auditor of the Company
September 2020
Director of the Company (to present)

DirectorTetsuya Okuda

Tetsuya Okuda
April 1984
Joined Okayama Prefectural Office
April 1993
Registered with the Okayama Bar Association
April 1997
Established Okuda Law Office (to present)
April 2006
Vice President of the Okayama Bar Association
April 2010
Conciliation Commissioner at Okayama Family Court (to present)
June 2018
Corporate Auditor of Tomato Bank, Ltd. (to present)
April 2020
President of the Okayama Family Conciliation Association (to present)
September 2020
Director of the Company (to present)

Auditor (Full-time)Shiro Imai

Shiro Imai
April 1979
Joined Fuji Parts Co., Ltd.
July 1986
Joined NMB Semiconductor Co., Ltd. (currently UMC Japan Co., Ltd.)
May 2009
Joined the Company
General Manager, Production Management Department
March 2018
Auditor of the Company (to present)

AuditorKoji Terao

Koji Terao
October 1981
Joined the Osaka Office of Tohmatsu, Awoki & Co. (currently Deloitte Touche Tohmatsu LLC)
December 1985
Resigned from the Osaka Office of Tohmatsu, Awoki & Co. (currently Deloitte Touche Tohmatsu LLC)
January 1986
Established Terao Certified Public Accountant Office (to present)
March 1986
Registered as a certified public tax accountant
August 2002
Audit & Supervisory Board Member of Daikokutenbussan Co., Ltd. (to present)
June 2015
Auditor of Sompo Care Message Inc.
September 2020
Auditor of the Company (to present)

AuditorJitsuji Yamamoto

Jitsuji Yamamoto
March 1981
Joined Hagihara Industries Inc.
May 2012
Executive Officer and General Manager, Management Strategy Office, Plastics Business Division of Hagihara Industries Inc.
September 2021
Resigned from Hagihara Industries Inc.
March 2023
Auditor of the Company (to present)

Hirohisa Tabuchi, Tamotsu Ono, and Tetsuya Okuda are Outside Directors.
Koji Terao and Jitsuji Yamamoto are Outside Auditors.

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