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Presently, Katsuyuki Ohta holds the position of President & Representative Director at ENEOS Holdings, Inc. and President & Representative Director at Eneos Corp. (a subsidiary of ENEOS Holdings, Inc.). Mr. Ohta is also on the board of Japan Oil Transportation Co., Ltd. Mr. Ohta previously was President & Representative Director at Tonen General Sekiyu KK.

Currently, Jun Ohta occupies the position of Executive President, CEO & Representative Director at Sumitomo Mitsui Financial Group, Inc. In his past career he held the position of Director & Senior Managing Executive Officer at Sumitomo Mitsui Banking Corp.

Katsuyuki Imada occupies the position of Director & Senior Managing Executive Officer at Lawson, Inc. In his past career Mr. Imada was President & Representative Director at Customer Communications Ltd. and Assistant Manager-Next Generation Development Unit at Mitsubishi Corp.

Katsuyuki Saito is Executive Officer, Head-Corporate R&D at Olympus Corp.

Mr. Katsuyuki Mizumachi is a CFO, Director & Senior Managing Executive Officer at Subaru Corp., a President & Chief Executive Officer at Asia Business Support Association Co., Ltd. and a Chief Executive Officer at Tangram Associates Co., Ltd. He is on the Board of Directors at Subaru Corp. and Subaru of Taiwan Co., Ltd. Mr. Mizumachi was previously employed as a Chairman by SLM Corp. Public Co. Ltd. He received his graduate degree from Keio University.

Currently, Katsuyuki Kusakawa is Treasurer & Senior Vice President at Toyota Motor Sales U.S.A., Inc. Mr. Kusakawa is also on the board of Koito Manufacturing Co., Ltd. In the past Mr. Kusakawa was Chief Financial Officer at Toyota South Africa Motors (Pty) Ltd.

Michihito Ohta formerly worked at Rinko Corp., as Outside Director and JFE Steel Corp., as Manager-First Related Company.

Yukio Ohta worked as an Auditor at OOTOYA Holdings Co., Ltd.

Masaru Ohta is currently a Member of The Japanese Institute of Certified Public Accountants and the Chief Financial Officer at Kii Corp.
He previously worked as a Director at Phoenix Capital Co. Ltd.
and as a Principal at PricewaterhouseCoopers Co., Ltd.

Hideyuki Ohta currently works as a Managing Executive Officer & Manager-Personnel at Altech Corp.

Taiki Ohta is currently working as the Head of Finance, Accounting & Legal Affairs at Resorttrust, Inc.

Kunihiro Ohta is the founder of Chiome Bioscience, Inc. which was founded in 2005.
He held the title of Director from 2005 to 2007.
Currently, he is a Professor at the University of Tokyo since 2007.
Dr. Ohta's former job was as an Outside Director at Chiome Bioscience, Inc. from 2007 to 2019.

Kunimasa Ohta served as the President & Representative Director of Tokyo Seimitsu Co., Ltd.
from 2011 to 2015.
He also worked as a Director & Head-Accounting Division at Toho Rayon Co. Ltd.
and as a General Manager-Kobe Branch at Fuji Bank Ltd.

Yasunobu Ohta is a Professor-Economics Faculty at Seikei University since 2011.
He previously worked as an Auditor at Mitsuuroko Group Holdings Co., Ltd.
from 2014 to 2015.
Mr. Ohta obtained a graduate degree from Keio University in 1973 and another graduate degree from Northwestern University in 1978.

Koji Ohta has worked as an Auditor at Arisawa Mfg.
Co., Ltd.
since 2012.

Akira Ohta has a current job as the MD and Head of Corporate Planning & Public Relations at Iwatani Corp.

Hiroaki Ohta was the Chief Executive Officer & Representative Director at ACSL Ltd.
from 2020 to 2021.
He received a doctorate degree from Kyoto University in 2004.

Masashi Ohta has a current job as the Director & Head-Operations at Kanefusa Corp.

Tsuyoshi Ohta has worked at Hub Co., Ltd.
since 1998.
He currently holds the position of President & Representative Director, which he started in 2009.

Michael Ohta currently works at Fenwick & West LLP, as Lawyer.

Nariyuki Ohta is currently working as a Director & Senior Managing Director-Technical at Daiei Kankyo Co. Ltd.

Yoshihito Ohta is currently the Chairman at MTG Co., Ltd.
and an Independent Outside Director at Konoike Transport Co., Ltd.
He was previously the Chairman at KYOCERA Communication Systems Co., Ltd.
from 2015 to 2017.
He also held the position of Senior Executive Officer at Kyocera Corp.
from 2009 to 2010 and was a Senior Managing Executive Officer at Japan Airlines Co., Ltd.
He also served as Deputy Trustee at Japan Airlines Corp.

Masaru Ohta has a current job as the Director & Head-Real Sales at IDOM, Inc.

Katsuya Ohta worked at Shofu, Inc. from 1968 to 2015, where he held the position of Chairman from 2009 to 2015.

Seiichi Ohta worked as a Managing Director & Head Officer-Domestic Sales at Mitsubishi Motors Corp.
from 2011 to 2012.
He also worked as a Director at JATCO Ltd.

Shigetoshi Ohta is currently the President & Representative Director at Mino Ceramic Co., Ltd., Mino Ceramics Shoji Co. Ltd., Bishu Kosan Co. Ltd., and Iwasa Kikai, Inc. He previously held the position of President & Representative Director at Mino Yogyo Seito Co., Ltd., Biyo Bright Co., Ltd., Monolith Co., Ltd., and Japan Ceramic Engineering Co., Ltd.

Kiyoshi Ohta currently works as an Executive Director at Teikoku Seiyaku Co. Ltd.

C.
Tamiko Ohta is currently working as a Principal at Repsol Oil & Gas Canada, Inc. and as a Vice President-Legal at Eldorado Gold Corp.
Her former positions include General Counsel at StarTech.com Ltd.
and Secretary & Vice-President-Legal at Repsol SA. She has a graduate degree from Dalhousie University and an undergraduate degree from the University of Manitoba.

Kazutaka Ohta has worked at Japan Reliance Service Corp.
since 1982.
His current position is MD, Head-Personnel Service & Business Management, which he started in 2019.

Koji Ohta has a current job as the Director & Head-Technology Development at Hisaka Works Ltd.

Hidemi Ohta is currently an Independent Outside Director at MIYAJI ENGINEERING GROUP, INC.
since 2018 and a Non-Executive Director at Hinode Ltd.
since 2015.
Previously, Ohta worked as a Managing Director at Nippon Steel Corp.

Mr. Makoto Ohta is a Managing Director & Managing Executive Officer at Sakata Seed Corp.
He is on the Board of Directors at Sakata Seed Corp.
Mr. Ohta was previously employed as Examiner-International Review by The Bank of Tokyo-Mitsubishi UFJ Ltd.

Nobuhiro Ohta currently works at Kita Koudensha Corp., as Manager-Technology Strategy from 2021.

Masaru Ohta currently works at CMIC Holdings Co., Ltd., as Director, Wealth Management, Inc. (Japan), as Outside Director, and Brycen Co., Ltd., as Outside Director.