TOSEI CORPORATION

Management Team

As of March 1, 2026

Directors

Seiichiro Yamaguchi

President and CEO

Biography
Mar. 1983
Graduated from Keio University, School of Low
Aug. 1990
Director of Tosei Corporation (the Company)
Jun. 1994
President and Representative Director of the Company (current position)
Jul. 2004
President and CEO of the Company (current position)

Noboru Hirano

CFO and Senior Executive Officer of Administrative Division

Biography
Mar. 1982
Graduated from Keio University, School of Business and Commerce
Mar. 2001
Joined Tosei Corporation (the Company)
Oct. 2002
Managing Director of the Company
Jul. 2004
Director and Managing Executive Officer of the Company
Feb. 2006
CFO and Senior Executive Officer of Administrative Division of the Company (current position)

Hideki Nakanishi

Director, COO and Senior Executive Officer of Business Division in charge of Asset Solution Department 2, and Asset Solution Department 5

Biography
Mar. 1990
Graduated from Keio University, School of Economics
Apr. 2006
Joined Tosei Corporation (the Company)
Mar. 2013
Executive Officer of the Company
Mar. 2017
Managing Executive Officer of the Company
Feb. 2018
Director and Managing Executive Officer of the Company
Dec. 2018
Director, Managing Executive Officer, Deputy Chief of Business Division of the Company
Mar. 2021
Director, COO and Senior Executive Officer of Business Division of the Company (current position)

Shunsuke Yamaguchi

Director, Managing Executive Officer, Deputy Chief of Administrative Division in charge of General Affairs Department and Human Resource Department

Biography
Mar. 1988
Graduated from Nagoya City University, School of Economics
Aug. 2007
Joined Tosei Corporation (the Company)
Mar. 2013
Executive Officer of the Company
Feb. 2020
Director and Executive Officer of the Company
Mar. 2023
Director, Managing Executive Officer and Deputy Chief of Administrative Division of the Company (current position)

Hiroyasu Yoneda

Director, Managing Executive Officer, Deputy Chief of Administrative Division in charge of M&A・Group Strategy Department

Biography
Mar. 1993
Graduated from Komazawa University, School of Business Administration
Apr. 2008
Joined Tosei Corporation (the Company)
Mar. 2020
Executive Officer of the Company
Mar. 2023
Managing Executive Officer of the Company
Feb. 2024
Director and Managing Executive Officer of the Company
Mar. 2024
Director, Managing Executive Officer and Deputy Chief of Administrative Division of the Company (current position)

Shigehiro Takami

Director, Executive Officer of Business Division in charge of Promotion of Business Alliance

Biography
Mar. 1993
Graduated from Chuo University, School of Low
Jun. 2001
Joined Nagoya Railroad Co., Ltd.
Jul. 2019
Assistant General Manager of Management Strategy Department (in charge of business projects and hotel strategies) of Nagoya Railroad Co., Ltd.
Apr. 2022
Executive Officer of MEITETSU CITY DESIGN CO., LTD. and General Manager of Promotion of Community Development Department of Nagoya Railroad Co., Ltd.
Jul. 2024
Corporate Advisor of Tosei Corporation (the Company)
Feb. 2025
Director and Executive Officer of the Company (current position)

Kenichi Shohtoku

Independent Director

Biography
Mar. 1993
Graduated from Keio University, School of Economics
Oct. 1995
Joined Asahi & Co., Ltd. (the predecessor of KPMG AZSA LLC)
Sep. 1999
Transferred to Arthur Andersen & Co., Kuala Lumpur Office
Sep. 2002
Joined SCS Global Accounting Co., Ltd. (the predecessor of SCS Global Consulting (S) Pte Ltd)
Nov. 2003
Representative Director of SCS Global Accounting CO., Ltd. (the predecessor of SCS Global Consulting (S) Pte Ltd) (current position)
Sep. 2005
Director of O-RID GLOBAL BPO PTE. LTD.
Dec. 2010
Outside Auditor of ROKI TECHNO CO., LTD
Feb. 2012
Director of Tosei Corporation (current position)
Jan. 2013
Outside Auditor of ROKI GROUP HOLDINGS CO., LTD. (current position)

Hiroyuki Kobayashi

Independent Director

Biography
Mar. 1987
Graduated from Tokyo University, School of Low
Apr. 1987
Joined the Industrial Bank of Japan, Ltd. (the predecessor of Mizuho Bank, Ltd.)
Apr. 2002
Seconded to Mizuho Securities Co., Ltd.
Apr. 2003
Head of Advisory Department No.4 of Mizuho Securities Co., Ltd.
Jul. 2005
Joined Sofia, Inc.
Apr. 2006
Vice President and Director of Sofia, Inc.
Dec. 2006
Joined Mizuho Securities Co., Ltd.
Jun. 2008
Deputy General Manager, General Planning Department of Mizuho Securities Co., Ltd.
Dec. 2011
General Manager, Corporate Communications Department of Mizuho Securities Co., Ltd.
Apr. 2014
Senior Corporate Officer attached to Retail Division of Mizuho Securities Co., Ltd.
Apr. 2015
Head of Wealth Management Division, Retail Division of Mizuho Securities Co., Ltd.
Apr. 2017
President & CEO of Social Capital Management, Inc. (current position)
Feb. 2018
Director of Tosei Corporation (current position)
Apr. 2018
Executive Vice President of PRECIOUS SQARE .inc (current position)
Jun. 2019
Outside Auditor of Tohto Suisan Co., Ltd.
Aug. 2019
Director of SEIWA Co., Ltd. (the predecessor of SEIWA HOLDINGS Co., Ltd.)
Dec. 2020
Representative director of WATASU Co., Ltd. (current position)
Jun. 2022
Outside Auditor of Taiheiyo Kensetsu Kogyo Co., Ltd. (current position)
Outside Auditor of Taiheiyo Remicon Co., Ltd. (current position)

Mai Ishiwatari

Independent Director

Biography
Mar. 1999
Graduated from Sophia University, School of Low
Apr. 2002
Registered as attorney-at-law (Daini Tokyo Bar Association)
Oct. 2002
Masako Atsumi Law Office
Jul. 2004
Hideo Yamada Law Office (the predecessor of Yamada Ozaki Law Office)
Jun. 2006
Authense Law Office
Jan. 2008
Polaris Law Office
Jan. 2012
Registered foreign lawyer of Rajah & Tann LLP, Singapore
Apr. 2014
Joined cocone corporation (the predecessor of cocone ONE corporation)
Oct. 2014
Supervisory Officer of Kenedix Retail REIT Corporation
Dec. 2014
Partner lawyer of Shiroyama Tower Law Office (current position)
Jan.2021
Outside Director of Kakao Japan Corp. (the predecessor of Kakao piccoma Corp.) (current position)
May 2023
Director of cocone ONE corporation (current position)
Feb. 2024
Director of Tosei Corporation (current position)

Audit & Supervisory Board Members

Hitoshi Yagi

Full-time Audit & Supervisory Board member

Biography
Apr. 1982
Joined The Nippon Credit Bank, Ltd. (the predecessor of Aozora Bank, Ltd.)
Apr. 1999
Head of Real Estate Research Office, Sales Strategy Division Ⅱ of The Nippon Credit Bank, Ltd.
Aug. 2000
Senior Manager of Real Estate Finance Group, Investment Banks Division of The Nippon Credit Bank, Ltd.
Aug. 2004
Joint General Manager of Corporate Business Division Ⅴ of The Nippon Credit Bank, Ltd.
Aug. 2009
Joint General Manager of Human Resource Division of The Nippon Credit Bank, Ltd.
Oct. 2011
Joint General Manager of Internal Audit Division of The Nippon Credit Bank, Ltd.
Feb. 2019
Full-time Audit & Supervisory Board member of Tosei Corporation (current position)
Feb. 2020
Audit & Supervisory Board member of Tosei Hotel Management Co., Ltd. (current position), Audit & Supervisory Board member of Tosei Hotel Service Co., Ltd.

Toshinori Kuroda

Full-time Audit & Supervisory Board member

Biography
Apr. 1982
Joined The Sanwa Bank, Ltd. (the predecessor of MUFG Bank, Ltd.)
May 1989
Completed MBA at Purdue University in the U.S.
Nov. 1991
Assigned to Sanwa Business Credit Corporation (Chicago, IL, U.S.)
Aug. 1995
Assigned to Sanwa Bank California (Los Angeles, CA, U.S.)
Oct. 2002
Deputy General Manager of Public & Institutional Business Division of UFJ Bank Limited (the predecessor of MUFG Bank, Ltd.)
May 2007
Chief Manager of Internal Audit Office of Internal Audit Division of The Bank of Tokyo-Mitsubishi UFJ, Ltd. (the predecessor of MUFG Bank, Ltd.)
May 2012
Joined Mitsubishi UFJ NICOS Co., Ltd.
Oct. 2012
General Manager of Compliance Division of Mitsubishi UFJ NICOS Co., Ltd.
Apr. 2017
Chief Auditor of Internal Audit Division of Mitsubishi UFJ NICOS Co., Ltd.
Feb. 2021
Full-time Audit & Supervisory Board member of Tosei Corporation (current position)
Feb. 2022
Audit & Supervisory Board member of Tosei Community Co., Ltd.
Feb. 2023
Audit & Supervisory Board member of Tosei Logistics Management Co., Ltd.
Feb. 2024
Audit & Supervisory Board member of Tosei Community Co., Ltd. (current position)

Tatsuki Nagano

Audit & Supervisory Board member

Biography
Apr. 1983
Joined The Chuo Trust & Banking Co., Ltd. (the predecessor of Sumitomo Mitsui Trust Bank, Limited)
Jul. 1995
Financial Planning Chief of Corporate Planning Dept. at headquarters of The Chuo Trust & Banking Co., Ltd.
Jul. 2000
Management Director of RG Asset Management PTE. LTD.
Jul. 2004
Director of Reference Group Holdings Ltd.
Aug. 2004
Representative Director of RG Asset Management Co., Ltd.
Feb. 2012
Audit & Supervisory Board member of Tosei Corporation (current position)
Apr. 2013
Director of RG Asset Management Services Limited (BVI)
Apr. 2013
Director and Representative Partner of RG Asset Management Services Limited (HK)
Jun. 2014
Outside Director of System Location, Co., Ltd.
Feb. 2016
Managing Director, Head of the management Headquarter of All Nippon Asset Management, Co., Ltd.
Jun. 2019
Vice President and Representative Director of All Nippon Asset Management, Co., Ltd.
Jun. 2021
President and Representative Director of All Nippon Asset Management, Co., Ltd.

Satoshi Ikeda

Audit & Supervisory Board member

Biography
Apr. 1989
Joined the Industrial Bank of Japan, Ltd. (the predecessor of Mizuho Bank, Ltd.)
Apr. 2002
Transferred to Mizuho Bank, Ltd.
Sep. 2010
Passed the national bar examination
Oct. 2012
Resigned from Mizuho Bank, Ltd.
Nov. 2012
The Legal Training and Research Institute of Japan, Supreme Court of Japan (legal apprentice)
Dec. 2013
Motosugi Law Office (associate lawyer)
Sep. 2014
Established KOWA Law Office (current position)
Aug. 2017
Corporate Auditor of KJG Holdings Co., Ltd. (current position)
Oct. 2018
Representative Director of Ikeda Business Consulting Co., Ltd.
Aug. 2019
Corporate Auditor of KOWA Information Technology Co., Ltd. (current position)
Oct. 2019
Director of Ikeda Business Consulting Co., Ltd. (current position)
Apr. 2023
Corporate Auditor of Kyouei Information System Co., Ltd. (current position)
Nov. 2023
Corporate Auditor of LEMON GASUI, Co., Ltd. (current position)
Feb. 2025
Audit & Supervisory Board member of Tosei Corporation (current position)

Executive Officers

Ryoji Nishimoto

Senior Executive Officer, Deputy Chief of Business Division in charge of Asset Solution Department 6

Masaaki Watanabe

Managing Executive Officer, Deputy Chief of Business Division in charge of Asset Management Department and Asset Solution Business Promotion Department

Hitoshi Oshima

Managing Executive Officer in charge of Asset Solution Department 4 and Proptech Business Department

Nobuto Fujiwara

Managing Executive Officer in charge of Corporate Planning Department and Corporate Management Department

Daizo Kozasa

Executive Officer in charge of DX Promotion Department

Satoshi Shiwaku

Executive Officer in charge of Architecture Planning Department 1 and Architecture Planning Department 2

Toshiya Tatebayashi

Executive Officer in charge of Asset Solution Department 1

Fumio Ishida

Executive Officer in charge of Asset Solution Department 3

Koichi Tachibana

Executive Officer in charge of Finance Department

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