Emiko Higashi
Net worth: 31 M $ as of 30/07/2026
Net worth: 31 M $ as of 30/07/2026
Ms. Emiko Higashi is an Independent Outside Director at Kioxia Holdings Corp., an Independent Director at One Equity Partners Open Water I Corp., an Independent Director at Rambus, Inc., a Managing Director at Tohmon Capital Partners LLC and a Managing Director at Tomon Partners LLC.
She is on the Board of Directors at Kioxia Holdings Corp., One Equity Partners Open Water I Corp., Rambus, Inc. and Tara Health Foundation.
Ms. Higashi was previously employed as an Independent Non-Executive Outside Director by Sanken Electric Co., Ltd., an Outside Director by MetLife Insurance KK, an Independent Outside Director by Takeda Pharmaceutical Co., Ltd., a Chief Financial Officer & Director by Zeptor Corp., an Independent Director by KLA Corp., a Chief Executive Officer by Gilo Ventures LLC, a Managing Director-Investment Banking Division by Merrill Lynch & Co., Inc. /Old/, and an Associate by Lehman Brothers, Inc. She also served on the board at InvenSense, Inc., Wasserstein Perella & Co., Inc., TeraHealth, Inc. and Zen Research, Inc. She received her undergraduate degree from International Christian University and an MBA from Harvard Business School.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
KLA CORPORATION 0.01% | 09/09/2025 | 144,160 ( 0.01% ) | 26 M $ | 30/07/2026 |
RAMBUS INC. 0.05% | 01/06/2026 | 49,519 ( 0.05% ) | 5 M $ | 30/07/2026 |
| 17/03/2026 | 12,600 ( 0% ) | 436 262 $ | 30/07/2026 |
| Companies | Position | Start |
|---|---|---|
| RAMBUS INC. | Director/Board Member | 30/04/2017 |
| ONE EQUITY PARTNERS OPEN WATER I CORP. | Director/Board Member | 20/01/2021 |
| KIOXIA HOLDINGS CORPORATION | Director/Board Member | 31/05/2026 |
Tohmon Capital Partners LLC | Founder | 31/12/2002 |
Tara Health Foundation
Tara Health Foundation Miscellaneous Commercial ServicesCommercial Services Operates as a organization whose mission is to improve the health of women & girls through the creative use of philanthropic capital | Director/Board Member | - |
Tomon Partners LLC | Founder | 31/12/2002 |
| Companies | Position | End |
|---|---|---|
| TAKEDA PHARMACEUTICAL COMPANY LIMITED | Director/Board Member | 23/06/2026 |
| KLA CORPORATION | Director/Board Member | 04/11/2025 |
MetLife Insurance KK
MetLife Insurance KK Life/Health InsuranceFinance Provides life insurance services | Director/Board Member | 31/12/2018 |
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Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 20 |
|---|---|
Lehman Brothers, Inc.
Lehman Brothers, Inc. Investment Banks/BrokersFinance Provides investment banking services | Finance |
Merrill Lynch & Co., Inc. /Old/
Merrill Lynch & Co., Inc. /Old/ Investment Banks/BrokersFinance Provides wealth management, securities trading and sales, corporate finance and investment banking services | Finance |
Rambus, Inc.
Rambus, Inc. SemiconductorsElectronic Technology Develops semiconductor memory architectures | Electronic Technology |
KLA Corp.
KLA Corp. SemiconductorsElectronic Technology Designs, manufactures and markets semiconductor process control, inspection, metrology & software products, vacuum deposition, etch process tools and PCB products | Electronic Technology |
InvenSense, Inc.
InvenSense, Inc. SemiconductorsElectronic Technology Develops micro electro mechanical systems based motion processing products for handheld consumer electronics devices | Electronic Technology |
Takeda Pharmaceutical Co., Ltd.
Takeda Pharmaceutical Co., Ltd. Pharmaceuticals: MajorHealth Technology Engages in the research, development, manufacturing and marketing of pharmaceutical products | Health Technology |
Sanken Electric Co., Ltd.
Sanken Electric Co., Ltd. SemiconductorsElectronic Technology Manufactures and supplies semiconductors and power supply equipments | Electronic Technology |
Wasserstein Perella & Co., Inc.
Wasserstein Perella & Co., Inc. Investment Banks/BrokersFinance Provides investment banking services | Finance |
International Christian University
International Christian University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Gilo Ventures LLC
Gilo Ventures LLC Investment ManagersFinance Gilo Ventures LLC invests in high technology companies located in the US and Israel. The firm targets companies operating in broadband technologies and services. It provides financing for early stage capital requirements with an investment size of USD 0.25 to 20 million. | Finance |
TeraHealth, Inc.
TeraHealth, Inc. Packaged SoftwareTechnology Services Provides web-based healthcare integration software products | Technology Services |
Tomon Partners LLC | |
MetLife Insurance KK
MetLife Insurance KK Life/Health InsuranceFinance Provides life insurance services | Finance |
Zeptor Corp.
Zeptor Corp. SemiconductorsElectronic Technology Manufactures and produces lithium ion batteries | Electronic Technology |
Harvard Business School
Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Tara Health Foundation
Tara Health Foundation Miscellaneous Commercial ServicesCommercial Services Operates as a organization whose mission is to improve the health of women & girls through the creative use of philanthropic capital | Commercial Services |
Tohmon Capital Partners LLC | |
Kioxia Holdings Corp.
Kioxia Holdings Corp. Computer PeripheralsElectronic Technology Operates as holding company whose subsidiaries manufactures and supplies memory products | Electronic Technology |
One Equity Partners Open Water I Corp.
One Equity Partners Open Water I Corp. Financial ConglomeratesFinance Operates as a blank check company | Finance |
Zen Research, Inc. |
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