Members
Experienced CPA-led professionals for Japan-side operations and internal management systems
Our members bring practical experience in audit, internal audit, J-SOX, governance, finance, overseas subsidiary management, IPO readiness, and management administration. We support companies in making Japan-side operations more reviewable, disciplined, and understandable to management and headquarters stakeholders.
Eri Sai
Representative Director
Certified Public Accountant
B.A. in Business Administration, Kobe University
Eri Sai has approximately 20 years of experience across audit, internal audit, governance, and finance. After spending approximately nine years at KPMG Japan in statutory audit, she worked in Hong Kong in accounting and tax consulting and later served as finance manager at a global law firm, overseeing finance and internal controls across Asia.
She now works independently, providing internal audit, J-SOX, governance, and accounting and tax consulting support to Japanese global companies. She also serves as a corporate auditor for companies and educational institutions, supporting audit, internal control, and risk management functions at the board and audit committee level.
Shinya Sakata
Certified Public Accountant
B.A. in Economics, The University of Tokyo
After graduating from university, Shinya Sakata joined KPMG Japan, where he worked primarily on audits of listed companies and foreign-affiliated companies, internal control/J-SOX implementation support, IFRS implementation support, and audit and governance matters across multiple industries.
He was later seconded to KPMG Nashville in the United States, where he handled audit work for U.S. subsidiaries of Japanese companies. After returning to Japan, he joined a U.S. investment fund-backed startup where he oversaw accounting, finance, legal, HR, and general affairs, and led the development of internal controls, risk management, and governance systems.
He now advises listed companies and IPO-preparation companies on internal audit, J-SOX, internal controls, governance enhancement, IPO readiness, and management administration systems.
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