Toshiko Oka

Director/Board Member at PROTERAL

62 year

Finance

Distribution Services

Electronic Technology

Profile

Toshiko Oka is currently Representative Director at Oka & Co. Kk since 2016.
Ms. Oka is Independent Outside Director at Happinet Corp.
since 2019, at ENEOS Holdings, Inc. since 2020, and at Proterial Ltd. since 2016.
Ms. Oka is Outside Director at Earth Corp.
starting in 2024.
Former positions include Independent Outside Director at Sony Group Corp.
from 2018 to 2024, Independent Outside Director at Mitsubishi Corp., Director at Netyear Group Corp.
from 2008 to 2011, Outside Director at Globis Corp., President & Representative Director at maval partners, Inc., and President & Representative Director at PricewaterhouseCoopers Deals Advisory Inc. from 2005 to 2016.

Toshiko Oka active positions

Companies	Position	Start
PROTERAL	Director/Board Member	2016-05-31
HAPPINET CORPORATION	Director/Board Member	2019-05-31
ENEOS HOLDINGS, INC.	Director/Board Member	2020-05-31
EARTH CORPORATION	Director/Board Member	2024-02-29
HITACHI CONSTRUCTION MACHINERY CO., LTD.	Director/Board Member	2021-05-31
Oka & Co. Kk	Director/Board Member	2016-05-31

All active positions of Toshiko Oka

Former positions of Toshiko Oka

Companies	Position	End
SONY GROUP CORPORATION	Director/Board Member	2024-06-24
PricewaterhouseCoopers Deals Advisory Inc. PricewaterhouseCoopers Deals Advisory Inc. Investment Banks/BrokersFinance Provides M&A advisory and consulting services	President	2016-02-29
MITSUBISHI CORPORATION	Director/Board Member	-
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See the detail of Toshiko Oka's experience

Experiences
Positions held

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Inactive

Listed companies

Private companies

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Connections

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1st degree companies

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Members of the board

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Linked companies

Private companies	12
Sony Group Corp. Sony Group Corp. Computer Processing HardwareElectronic Technology Engages in the development, design, manufacture and sale of electronic equipment, consumer & industrial electronics, game consoles & related software and others	Electronic Technology
Proterial Ltd. Proterial Ltd. SteelNon-Energy Minerals Manufactures and distributes steels, rolls, magnetic materials, power electronics, electric wires and automotive parts	Non-Energy Minerals
Mitsubishi Corp. Mitsubishi Corp. Wholesale DistributorsDistribution Services Engages in the distribution of chemicals, fuels, electronics, metal and provides information technology and professional consulting services	Distribution Services
Hitachi Construction Machinery Co., Ltd. Hitachi Construction Machinery Co., Ltd. Trucks/Construction/Farm MachineryProducer Manufacturing Manufactures, sells and service of construction machinery, transportation machinery, and other machines and devices	Producer Manufacturing
Happinet Corp. Happinet Corp. Wholesale DistributorsDistribution Services Manufactures and sells toys, character products, video game software and audio visual software	Distribution Services
Earth Corp. Earth Corp. Pharmaceuticals: MajorHealth Technology Engages in the manufacture and sale of pharmaceutical products and sanitation products	Health Technology
Netyear Group Corp. Netyear Group Corp. Information Technology ServicesTechnology Services Provides digital transformation and marketing support services to companies using internet technology	Technology Services
ENEOS Holdings, Inc. ENEOS Holdings, Inc. Oil Refining/MarketingEnergy Minerals Operates as a holding company whose subsidiaries offers petroleum and petrochemical products	Energy Minerals
Globis Corp. Globis Corp. Investment ManagersFinance Globis is an active manager which provides financing for early stage capital requirements. The firm focuses on companies located in Japan.	Finance
maval partners, Inc. maval partners, Inc. Investment Banks/BrokersFinance Provides M&A advisory and consulting services	Finance
PricewaterhouseCoopers Deals Advisory Inc. PricewaterhouseCoopers Deals Advisory Inc. Investment Banks/BrokersFinance Provides M&A advisory and consulting services	Finance
Oka & Co. Kk

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