Sustainable business promotes innovation, creates new markets and builds a better society. When a business is not sustainable, it will be excluded from the market, and lose the trust of stakeholders.

Toshiki Oka

EY Japan Assurance Climate Change and Sustainability Services (CCaSS) Manager

Working with businesses to build a sustainable society. Making happiness key to my family’s well-being.

With EY Japan’s Climate Change and Sustainability Services, Toshiki Oka acts as a bridge between companies and investors: he works on supporting information disclosure and ensuring transparency, while creating business opportunities by supporting risk management operations.

He has practical experience, advising client companies and managing teams, taking on environmental issues and searching for the best solutions not only from the perspective of the business, but for the planet as well.

He has a master’s degree in Agriculture and is a Japan Certified Public Accountant.

Building a better working world

“I believe that a sustainable society recognizes the great benefits of our limited, irreplaceable natural resources, keeping the next generation front of mind.

I am certain that if every person (and living organism) on this Earth can inherit this kind of society, this will lead to a Better Working World. This perspective is crucial for business growth and I have been offering my support in creating business strategies that consider sustainability issues, and provided advice on disclosure of business initiatives.

I am passionate about innovation to help companies achieve sustainable growth now and in the future."

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