Reijiro Yamamoto
Net worth: 211 M $ as of 30/05/2026
Net worth: 211 M $ as of 30/05/2026
Reijiro Yamamoto currently works at Integral Corp., as Chief Executive Officer & Representative Director from 2006, Aderans Co., Ltd., as Independent Outside Director from 2017, Toyo Engineering Corp., as Outside Director from 2019, M&I Corp, as Director from 2020, Itokin Co., Ltd., as Outside Director from 2016, Integral Partners Corp, as Representative Director & Partner from 2007, MCo Corp., as Managing Director from 2005, Yohji Yamamoto, Inc., as Director from 2009, Sanden Retail Systems Corp., as Outside Director from 2019, Neutral Co., Ltd. (Aichi), as Director from 2020, and Jsee Holdings Co., Ltd., as Director from 2020.
Mr. Yamamoto also formerly worked at Skymark Airlines, Inc., as Chairman, GCA Savvian Corp., as Managing Director, BPS Corp.
(Japan), as Director, Openstream Holdings Co., Ltd., as Director, Mamezo Co., Ltd., as Director, Sakura Bank Ltd., as Head-Mergers & Acquisitions Department, and GCA Corp.
(Japan), as Partner from 2004 to 2007.
Mr. Yamamoto received his undergraduate degree in 1984 from the University of Hitotsubashi, graduate degree from Joseph H Lauder Institute of Management & International, and Masters Business Admin degree from The Wharton School of the University of Pennsylvania.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
INTEGRAL CORPORATION 27.84% | 30/12/2025 | 9,737,000 ( 27.84% ) | 211 M $ | 30/05/2026 |
| Companies | Position | Start |
|---|---|---|
| ADERANS CO LTD | Director/Board Member | 31/12/2016 |
| TOYO ENGINEERING CORPORATION | Director/Board Member | 28/02/2019 |
| MAMEZOU HOLDINGS CO.,LTD. | Director/Board Member | 31/05/2020 |
| INTEGRAL CORPORATION | Chief Executive Officer | 11/01/2006 |
INTEGRAL CORP / Private Equity
INTEGRAL CORP / Private Equity Investment ManagersFinance Integral Partners invests in companies located in Japan. The firm focuses on a broad range of sectors and industries. It participates in buyout capital requirements. | Director/Board Member | 20/02/2011 |
Jsee Holdings Co., Ltd. | Director/Board Member | 31/05/2020 |
MCo Corp.
MCo Corp. Investment ManagersFinance Acts as an alternative investment manager | Director/Board Member | 20/02/2011 |
Itokin Co., Ltd.
Itokin Co., Ltd. Apparel/Footwear RetailRetail Trade Retails men's and women's clothing | Director/Board Member | 31/01/2016 |
Sanden Retail Systems Corp.
Sanden Retail Systems Corp. Industrial MachineryProducer Manufacturing Manufactures and sells freezing and refrigeration showcases for commercial use and vending machines for beverage and food sale | Director/Board Member | 30/09/2019 |
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Active
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Listed companies
Private companies
1st degree connections
1st degree companies
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Female
Members of the board
Executives
| Private companies | 21 |
|---|---|
Aderans Co., Ltd.
Aderans Co., Ltd. Other Consumer ServicesConsumer Services Provides hair, beauty and health care services | Consumer Services |
Toyo Engineering Corp.
Toyo Engineering Corp. Oilfield Services/EquipmentIndustrial Services Provides engineering services | Industrial Services |
Skymark Airlines, Inc.
Skymark Airlines, Inc. AirlinesTransportation Provides domestic air transportation services | Transportation |
Sakura Bank Ltd.
Sakura Bank Ltd. Major BanksFinance Provides commercial banking services | Finance |
Mamezou K2TOP Holdings Corp.
Mamezou K2TOP Holdings Corp. Information Technology ServicesTechnology Services Provides information technology system development and consulting services | Technology Services |
University of Hitotsubashi
University of Hitotsubashi Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
GCA Corp. (Japan)
GCA Corp. (Japan) Investment Banks/BrokersFinance Provides M&A investment banking and related financial advisory services | Finance |
GCA Savvian Corp. /Old/
GCA Savvian Corp. /Old/ Investment ManagersFinance Provides M&A advisory services | Finance |
Itokin Co., Ltd.
Itokin Co., Ltd. Apparel/Footwear RetailRetail Trade Retails men's and women's clothing | Retail Trade |
INTEGRAL CORP / Private Equity
INTEGRAL CORP / Private Equity Investment ManagersFinance Integral Partners invests in companies located in Japan. The firm focuses on a broad range of sectors and industries. It participates in buyout capital requirements. | Finance |
MCo Corp.
MCo Corp. Investment ManagersFinance Acts as an alternative investment manager | Finance |
Yohji Yamamoto, Inc.
Yohji Yamamoto, Inc. Apparel/FootwearConsumer Non-Durables Designs and sells men's and women's apparel | Consumer Non-Durables |
Joseph H Lauder Institute of Management & International
Joseph H Lauder Institute of Management & International Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
BPS Corp. (Japan)
BPS Corp. (Japan) Industrial MachineryProducer Manufacturing Engages in assembling and selling sealing machines and peripheral equipment | Producer Manufacturing |
The Wharton School of the University of Pennsylvania
The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Sanden Retail Systems Corp.
Sanden Retail Systems Corp. Industrial MachineryProducer Manufacturing Manufactures and sells freezing and refrigeration showcases for commercial use and vending machines for beverage and food sale | Producer Manufacturing |
Neutral Co., Ltd.
Neutral Co., Ltd. Information Technology ServicesTechnology Services Provides system development and data engineering services | Technology Services |
Mamezo Digital Holdings Co., Ltd.
Mamezo Digital Holdings Co., Ltd. Data Processing ServicesTechnology Services Provides cloud, digital technology and data services & develops control systems and devices | Technology Services |
Jsee Holdings Co., Ltd. | |
Openstream Holdings Co., Ltd.
Openstream Holdings Co., Ltd. Information Technology ServicesTechnology Services Operates as a system integrator and web marketing consulting company | Technology Services |
Integral Corp.
Integral Corp. Investment ManagersFinance Provides equity investment services | Finance |
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