Leadership Overview
PHC Group has 4 executives leading key functions including strategy, corporate operations, financial management, and board governance.
Focused on advancing global diagnostic capabilities, PHC Group delivers innovative medical technologies and digital health solutions to improve patient outcomes across diverse international markets.
Focused on advancing global diagnostic capabilities, PHC Group delivers innovative medical technologies and digital health solutions to improve patient outcomes across diverse international markets.
Leadership Roles at PHC Group
Kyoko Deguchi - President & Representative & Director & Chief Executive Officer
Kyoko Deguchi, the President & Representative & Director & Chief Executive Officer at PHC Group, directs the overarching strategic vision for global diagnostic services. Deguchi architects long-term growth initiatives while overseeing the integration of medical technologies across Asia, Europe, and North America. By aligning corporate objectives with evolving healthcare demands, the Chief Executive Officer ensures the organization maintains a competitive edge in the diagnostic products sector. This leadership role involves constant collaboration with the Board to refine operational efficiency and market expansion strategies. Kyoko Deguchi drives the development of digital platforms that support healthcare facilities worldwide. Through rigorous oversight of corporate governance and resource allocation, the President & Representative & Director & Chief Executive Officer secures the financial health of the enterprise. Ultimately, Deguchi fosters a culture of innovation that empowers the delivery of comprehensive diagnostic tools to both business and consumer markets.
Fumiko Doi - Chief Executive Officer Office
Fumiko Doi, the Chief Executive Officer Office at PHC Group, manages the administrative infrastructure and strategic execution of executive priorities. Doi coordinates cross-functional workflows to ensure the seamless implementation of diagnostic service initiatives across global operations. By streamlining communication between the executive suite and departmental leads, the Chief Executive Officer Office optimizes internal processes and enhances organizational agility. This role involves monitoring the progress of digital health projects and ensuring alignment with the broader mission of providing advanced medical solutions. Fumiko Doi facilitates high-level decision-making by synthesizing complex data into actionable insights for the leadership team. Through the management of critical corporate projects, the Chief Executive Officer Office supports the expansion of diagnostic tools into new international territories. Ultimately, Doi maintains the operational rhythm necessary for the company to deliver consistent value to healthcare facilities and consumers in diverse geographic regions.
Kaiju Yamaguchi - Executive Corporate Officer and Chief Financial Officer
Kaiju Yamaguchi, the Executive Corporate Officer and Chief Financial Officer at PHC Group, directs all fiscal planning and capital allocation strategies. Yamaguchi oversees the financial reporting processes and ensures compliance with international standards across the company's global footprint. By managing investor relations and analyzing market trends, the Chief Financial Officer provides the necessary data to support strategic investments in diagnostic technologies. This leadership role involves mitigating financial risks while identifying opportunities for sustainable growth in the medical health solutions sector. Kaiju Yamaguchi collaborates with the executive team to optimize cost structures and improve operational margins. Through the implementation of robust financial controls, the Executive Corporate Officer and Chief Financial Officer strengthens the balance sheet to support long-term innovation. Ultimately, Yamaguchi secures the capital resources required to maintain the company's position as a leader in diagnostic services and digital health platforms.

Nobuaki Nakamura - President, Member of Board
Nobuaki Nakamura, the President, Member of Board at PHC Group, guides the governance framework and strategic oversight of the organization. Nakamura evaluates the effectiveness of corporate policies and ensures alignment with the mission of providing high-quality diagnostic services. By participating in critical board-level decisions, the President, Member of Board shapes the direction of medical technology development and market entry strategies. This role involves fostering strong relationships with stakeholders and ensuring the company adheres to the highest standards of corporate responsibility. Nobuaki Nakamura monitors the performance of key business units to ensure consistent delivery of diagnostic tools across international markets. Through the application of deep industry expertise, the President, Member of Board advises on the integration of digital platforms into existing healthcare workflows. Ultimately, Nakamura drives the long-term sustainability of the business by maintaining rigorous oversight of all strategic initiatives and corporate governance practices.
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