Hiroyuki Shimamori
For disruptive innovation to achieve better business results in an age of accelerating disruptive innovation, it is crucial to switch risk strategies from avoidance towards optimization.

Hiroyuki Shimamori

EY Japan Advisory Risk Transformation Leader, Internal Audit Domain Leader

Specialist in risk transformation in Japan. Experienced in internal audit.

Hiroyuki Shimamori is a domain manager in Risk Transformation and Internal Audit at EY Japan. He has nearly thirty years of experience in governance, risk management and internal control of companies. His specialty is risk management related to IT issues. Starting with SAP, he has worked to control companies’ core systems, provide security diagnosis and improving operations for more than twenty years. He has deep knowledge of project and program risk managements such as designing for US SOX and J-SOX implementations and control, system and internal audit operation, supporting Project Management Office (PMO) to implement systems for major companies and government ministries.

Building a better working world

In this era of disruptive transformation, being trustworthy is the key element that contributes to the growth of companies. In order to make this happen, I host various roundtable discussions on subjects such as advanced risk management, the latest trends in contractor management, and how to manage internal audit departments in the digital age. 

I am also leading educational activities for my colleagues in order to support the development of high-performing teams. In particular, I am involved in voluntary training for young professionals in corporate management challenges, and external training on acquiring project management professional qualifications. I also sponsor short-term placements and secondments in Japan for young managers and senior managers from other EY member firms and offices.

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