Sumitomo Mitsui Trust Group, Inc. Career Summary
Directors
As of June 19, 2026
Director
Kazuya Oyama
(June 7, 1965)
- April 1988
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Joined Sumitomo Trust & Banking Co. Ltd.
- April 2015
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Appointed Executive Officer, General Manager (Bucho) of Corporate Business Department IV, Tokyo of SuMi TRUST Bank
- January 2016
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Appointed Executive Officer, General Manager (Shukan) of Human Resources Department of SuMi TRUST Group
Appointed Executive Officer, General Manager (Shukan) of Human Resources Department of SuMi TRUST Bank - April 2016
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Appointed Executive Officer, General Manager (Bucho) of Human Resources Department of SuMi TRUST Group
Appointed Executive Officer, General Manager (Bucho) of Human Resources Department of SuMi TRUST Bank - April 2017
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Appointed Managing Executive Officer, General Manager (Bucho) of Corporate Planning Department of SuMi TRUST Group
Appointed Managing Executive Officer, General Manager (Bucho) of Corporate Planning Department of SuMi TRUST Bank - June 2017
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Appointed Executive Officer, General Manager (Bucho) of Corporate Planning Department of SuMi TRUST Group
- April 2019
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Appointed Managing Executive Officer of SuMi TRUST Group
Appointed Director, Managing Executive Officer of SuMi TRUST Bank - April 2021
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Appointed Executive Officer of SuMi TRUST Group
Appointed Director, President of SuMi TRUST Bank - June 2021
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Appointed Director, Executive Officer of SuMi TRUST Group
- June 2025
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Appointed Executive Officer of SuMi TRUST Group
- April 2026
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Appointed President Executive Officer of SuMi TRUST Group
Appointed Director of SuMi TRUST Bank (Current Position) - June 2026
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Appointed Director, President of SuMi TRUST Group (Current Position)
Director
Masanori Watanabe
(May 26, 1967)
- April 1991
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Joined Sumitomo Trust & Banking Co. Ltd.
- April 2023
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Appointed Executive Officer, General Manager (Bucho) of Financial Planning Department of SuMi TRUST Group
Appointed Executive Officer, General Manager (Bucho) of Financial Planning Department of SuMi TRUST Bank - April 2025
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Appointed Managing Executive Officer, Executive Officer, General Manager (Bucho) of Financial Planning Department of SuMi TRUST Group
Appointed Managing Executive Officer, General Manager (Bucho) of Financial Planning Department of SuMi TRUST Bank - April 2026
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Appointed Managing Executive Officer of SuMi TRUST Group
Appointed Director, Managing Executive Officer of SuMi TRUST Bank (Current Position) - June 2026
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Appointed Director, Managing Executive Officer of SuMi TRUST Group (Current Position)
Director
Chikako Matsumoto
(January 8, 1963)
- August 1994
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Joined the Inter-American Development Bank
- November 1999
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Appointed Senior Financial Officer of the Inter-American Development Bank (Financial Planning)
- November 2001
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Appointed Senior Financial Officer of the World Bank (Financial Planning and Risk Management)
- March 2014
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Retired from her position as Senior Financial Officer of the World Bank (Financial Planning and Risk Management)
- November 2018
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Appointed Associate Partner of Climate Change and Sustainability Services, Ernst & Young ShinNihon LLC
- October 2020
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Joined SuMi TRUST Bank
- April 2022
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Appointed Executive Officer, General Manager (Bucho) of ESG Solution Planning and Promotion Department of SuMi TRUST Bank
- April 2023
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Appointed Executive Officer of SuMi TRUST Group
- April 2024
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Appointed Managing Executive Officer of SuMi TRUST Group
Appointed Managing Executive Officer of SuMi TRUST Bank (Current Position) - June 2025
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Appointed Director, Managing Executive Officer of SuMi TRUST Group (Current Position)
Director
Toru Takakura
(March 10, 1962)
- April 1984
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Joined Sumitomo Trust & Banking Co. Ltd.
- June 2010
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Appointed Executive Officer, Head Office Executive, General Manager (Bucho) of Integration Promotion Department of Sumitomo Trust & Banking Co. Ltd.
- April 2012
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Appointed Managing Executive Officer of SuMi TRUST Group
Appointed Director, Managing Executive Officer of SuMi TRUST Bank - July 2013
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Appointed Managing Executive Officer, General Manager (Bucho) of Corporate Planning Department of SuMi TRUST Group
Appointed Director, Managing Executive Officer, General Manager (Bucho) of Corporate Planning Department of SuMi TRUST Bank - January 2014
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Appointed Managing Executive Officer of SuMi TRUST Group
Appointed Director, Managing Executive Officer of SuMi TRUST Bank - April 2017
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Appointed Senior Managing Executive Officer of SuMi TRUST Group
Appointed Director, Senior Managing Executive Officer of SuMi TRUST Bank - June 2017
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Appointed Director, Senior Managing Executive Officer of SuMi TRUST Group
- June 2019
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Appointed Executive Officer of SuMi TRUST Group
- April 2021
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Appointed President Executive Officer of SuMi TRUST Group
Appointed Director of SuMi TRUST Bank - June 2021
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Appointed Director, President Executive Officer of SuMi TRUST Group
- March 2026
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Retired from his position as Director of SuMi TRUST Bank
- April 2026
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Appointed Director (Kaicho) of SuMi TRUST Group (Current Position)
Director
Kouichi Kato
(January 19, 1966)
- April 1990
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Joined The Mitsui Trust and Banking Company, Limited
- April 2019
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Appointed Executive Officer, General Manager (Bucho) of Corporate Business Department V, Tokyo of SuMi TRUST Bank
- April 2022
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Appointed Managing Executive Officer of SuMi TRUST Bank
- June 2024
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Retired from his position as Managing Executive Officer of SuMi TRUST Bank
Appointed Director of SuMi TRUST Group (Current Position)
Director (Outside Director)
Chairperson of the Audit Committee
Kaoru Kashima
(January 20, 1958)
- November 1981
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Joined Showa Audit Corporation (currently, Ernst & Young ShinNihon LLC ("EY"))
- April 1985
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Registered as certified public accountant
- June 1996
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Appointed Partner of Showa Ota & Co. (currently, EY)
- June 2002
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Appointed Senior Partner of ShinNihon & Co. (currently, EY)
- September 2010
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Appointed Managing Director in charge of Corporate Culture Promotion Office and Public Relations Office of EY
- July 2012
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Appointed Managing Director, General Manager of Knowledge Headquarters of EY
- July 2013
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Appointed Representative Director of Ernst & Young Institute Co., Ltd.
- February 2016
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Retired from her position as Managing Director, General Manager of Knowledge Headquarters of EY
- August 2016
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Retired from her position as Representative Director of Ernst & Young Institute Co., Ltd.
- June 2019
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Retired from her position as Senior Partner of EY
Appointed Outside Audit & Supervisory Board Member of NIPPON TELEGRAPH AND TELEPHONE CORPORATION (currently, NTT, Inc. ("NTT"))
Appointed Outside Director of SuMi TRUST Bank - March 2020
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Appointed Outside Audit & Supervisory Board Member of Kirin Holdings Company, Limited (Current Position)
- June 2021
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Retired from her position as Outside Director of SuMi TRUST Bank
Appointed Director of SuMi TRUST Group (Current Position) - June 2025
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Appointed Outside Director of NTT (Current Position)
Director (Outside Director)
Tomonori Ito
(January 9, 1957)
- April 1979
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Joined The Bank of Tokyo, Ltd. (currently, MUFG Bank, Ltd.)
- March 1995
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Joined Union Bank of Switzerland (currently, UBS)
- April 2011
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Appointed Specially Appointed Professor of the Graduate School of International Corporate Strategy of Hitotsubashi University
- May 2012
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Appointed Outside Director of PARCO CO., LTD.
- October 2012
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Appointed Professor of the Graduate School of International Corporate Strategy of Hitotsubashi University
- July 2013
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Appointed Outside Corporate Auditor of Ain Pharmaciez Inc.
- June 2014
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Appointed Outside Director of Aozora Bank, Ltd.
- July 2015
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Retired from his position as Outside Corporate Auditor of Ain Pharmaciez Inc.
- June 2016
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Appointed Outside Director of Electric Power Development Co., Ltd. (“EPD”) (Current Position)
- April 2018
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Appointed Professor of the Graduate School of Business Administration of Hitotsubashi University
- May 2019
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Retired from his position as Outside Director of PARCO CO., LTD.
- April 2020
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Appointed Specially Appointed Professor of the Graduate School of Business Administration of Hitotsubashi University
- August 2021
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Retired from his position as Specially Appointed Professor of the Graduate School of Business Administration of Hitotsubashi University
- September 2021
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Appointed Professor of the Institute of Business and Finance of Waseda University (Current Position)
- April 2022
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Appointed Specially Appointed Professor of the Institute for International Academic Research of Kyoto University of Advanced Science (Current Position)
- June 2022
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Appointed Outside Director of Mitsui Sumitomo Insurance Company, Limited (Current Position)
- June 2023
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Retired from his position as Outside Director of Aozora Bank, Ltd.
Appointed Director of SuMi TRUST Group (Current Position)
Director (Outside Director)
Chairperson of the Nominating Committee
Hajime Watanabe
(October 31, 1958)
- April 1981
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Joined The Japan Development Bank (currently, Development Bank of Japan Inc. (“DBJ”))
- June 2009
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Appointed Executive Officer, General Manager of Corporate Planning Department of DBJ
- June 2011
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Appointed Director, Managing Executive Officer of DBJ
- June 2015
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Appointed Deputy President of DBJ
- June 2018
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Appointed President and CEO of DBJ
- June 2022
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Appointed Adviser to DBJ
- January 2023
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Appointed Adviser to DBJ REAL ESTATE Co., Ltd.
- April 2023
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Appointed Chairman of Japan Economic Research Institute Inc. (Current Position)
- June 2023
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Appointed Outside Corporate Auditor of Japan Freight Railway Company (Current Position)
Appointed Director of SuMi TRUST Group (Current Position)
Retired from his position as Adviser to DBJ
Retired from his position as Adviser to DBJ REAL ESTATE Co., Ltd. - June 2024
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Appointed Outside Auditor of TOKYU CORPORATION (Current Position)
- July 2024
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Appointed Outside Director of Fukoku Mutual Life Insurance Company (Current Position)
Director (Outside Director)
Hirokazu Fujita
(May 12, 1956)
- April 1980
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Joined Tokio Marine & Fire Insurance Co., Ltd. (currently, Tokio Marine & Nichido Fire Insurance Co., Ltd. (“TMN”))
- August 1988
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Completed course at University of Southern California (MBA)
- June 2011
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Appointed Executive Officer and General Manager of Corporate Accounting Dept. of TMN
Appointed Executive Officer and General Manager of Corporate Accounting Dept. of Tokio Marine Holdings, Inc. (“TMH”) - June 2012
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Appointed Managing Director of TMN
Appointed Managing Director of TMH - April 2016
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Appointed Managing Director and Chief Investment Officer (CIO) of TMH
- April 2017
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Appointed Senior Managing Director and Chief Investment Officer (CIO) of TMH
Appointed Senior Managing Director of TMN - June 2020
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Retired from his position as Senior Managing Director of TMN
Appointed Audit & Supervisory Board Member (Full-Time) of TMH - November 2020
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Executive Director of The Japan Audit & Supervisory Board Members Association
- June 2024
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Retired from his position as Audit & Supervisory Board Member (Full-Time) of TMH
Retired from his position as Executive Director of The Japan Audit & Supervisory Board Members Association
Appointed Director of SuMi TRUST Group (Current Position)
Director (Outside Director)
Kazuo Sakakibara
(August 6, 1958)
- April 1984
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Public Prosecutor of Sapporo District Public Prosecutors Office
- February 2018
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Superintending Prosecutor of Fukuoka High Public Prosecutors Office
- January 2020
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Superintending Prosecutor of Osaka High Public Prosecutors Office
- July 2021
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Retired from his position as Superintending Prosecutor of Osaka High Public Prosecutors Office
- October 2021
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Registered as an attorney-at-law
- November 2021
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Appointed Of Counsel of Anderson Mori & Tomotsune (Current Position)
- April 2022
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Appointed Auditor of Tokyo Dental College (Current Position)
- June 2022
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Appointed Member of the Board of Governors of Japan Broadcasting Corporation (“NHK”)
Appointed Outside Company Auditor of Takasago Thermal Engineering Co., Ltd. (“TTE”) - June 2023
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Appointed Outside Director of TTE (Current Position)
Appointed Outside Director of SuMi TRUST Bank - March 2024
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Appointed Acting Chairman of the Board of Governors of NHK (Current Position)
- June 2024
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Retired from his position as Outside Director of SuMi TRUST Bank
Appointed Director of SuMi TRUST Group (Current Position)
Director (Outside Director)
Chairperson of the Board of Directors
Hideki Kobori
(February 2, 1955)
- April 1978
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Joined ASAHI CHEMICAL INDUSTRY CO., LTD. (currently, ASAHI KASEI CORPORATION (“AKC”))
- April 2008
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Appointed Director, Senior Executive Officer of Asahi Kasei Microdevices Corporation (“AKM”)
- April 2009
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Appointed Director, Primary Executive Officer of AKM
- April 2010
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Appointed President & Representative Director, Presidential Executive Officer of AKC
- April 2012
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Appointed Senior Executive Officer of AKC
- June 2012
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Appointed Director, Senior Executive Officer of AKC
- April 2014
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Appointed Representative Director, Primary Executive Officer of AKC
- April 2016
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Appointed President & Representative Director, Presidential Executive Officer of AKC
- April 2022
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Appointed Chairman & Representative Director of AKC
- June 2022
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Appointed Vice Chair of KEIDANREN (Japan Business Federation)
- April 2023
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Appointed Chairman & Director of AKC (Current Position)
- June 2023
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Appointed Outside Director of Nomura Research Institute, Ltd. (Current Position)
Appointed Outside Director of SEIKO GROUP CORPORATION (Current Position) - June 2024
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Appointed Outside Director of Japan Investment Corporation (Current Position)
- June 2026
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Retired from his position as Vice Chair of KEIDANREN (Japan Business Federation)
- June 2026
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Appointed Director of SuMi TRUST Group (Current Position)
Director (Outside Director)
Chairperson of the Compensation Committee
Etsuko Kobayashi
(July 18, 1961)
- April 1985
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Joined Citibank, N.A., Tokyo Branch
- February 1994
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Joined Goldman Sachs Japan Limited
- October 2000
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Joined Goldman Sachs Asset Management Co., Ltd. (“GSAM”)
- June 2012
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Appointed Director, General Manager of Sales Division of GSAM
- April 2015
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Appointed Senior Managing Director, General Manager of Sales Division of GSAM
- February 2022
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Appointed Representative Director, President of GSAM
- January 2024
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Appointed Representative Director, Chairperson of GSAM
- March 2024
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Retired from her position as Representative Director, Chairperson of GSAM
- June 2025
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Appointed Outside Director of Nissay Asset Management Corporation (Current Position)
Appointed Outside Director of SuMi TRUST Bank - March 2026
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Appointed Outside Audit & Supervisory Board Member of Yamaha Motor Co., Ltd. (Current Position)
- June 2026
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Retired from her position as Outside Director of SuMi TRUST Bank
Appointed Director of SuMi TRUST Group (Current Position)
Director (Outside Director)
Satoko Shisai
(November 11, 1963)
- April 1986
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Joined IBM Japan, Ltd. (“IBMJ”)
- April 2009
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Appointed Executive Officer, Government Cluster of IBMJ
- October 2015
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Appointed Executive Officer, Head of Security Business Division of IBMJ
- January 2018
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Appointed Executive Officer, Head of Enterprise Business Division and Government Systems Division of IBMJ
- April 2019
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Retired from her position as Executive Officer, Head of Enterprise Business Division and Government Systems Division of IBMJ
- May 2019
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Appointed Vice President, Head of IT Supervisory Div. of CHUGAI PHARMACEUTICAL CO., LTD. (“CPC”)
- October 2019
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Appointed Vice President, Head of Digital & IT Supervisory Div. of CPC
- April 2022
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Appointed Executive Vice President, Head of Digital Transformation Unit of CPC
Appointed Outside Director of Panasonic Connect Co., Ltd. - December 2023
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Appointed Outside Director of Mitsubishi Research Institute, Inc. (Current Position)
- March 2024
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Retired from her position as Executive Vice President, Head of Digital Transformation Unit of CPC
- April 2024
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Appointed Representative of AISHIS CONSULTING., Inc. (Current Position)
- June 2024
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Appointed Outside Director of Nippon Yusen Kabushiki Kaisha (Current Position)
Appointed Outside Director of The Nisshin OilliO Group, Ltd. (Current Position) - June 2025
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Retired from her position as Outside Director of Panasonic Connect Co., Ltd.
- June 2026
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Appointed Director of SuMi TRUST Group (Current Position)
- *1Ms. Kaoru Kashima, Mr. Tomonori Ito, Mr. Hajime Watanabe, Mr. Hirokazu Fujita, Mr. Kazuo Sakakibara, Mr. Hideki Kobori, Ms. Etsuko Kobayashi and Ms. Satoko Shisai are outside directors defined in Article 2, Item 15 of the Companies Act.
- *2All eight outside directors are independent directors required by Tokyo Stock Exchange, Inc.
- *3“Sumitomo Mitsui Trust Group, Inc.” is referred to as “SuMi TRUST Group” in this page.
- *4“Sumitomo Mitsui Trust Bank, Limited” is referred to as “SuMi TRUST Bank” in this page.