People
Kazumasa Yuki
Deloitte Tohmatsu Tax Co. | CEO, Managing Partner of Tokyo Office | Inbound Client Services Leader
Certified Public Tax Accountant
Kazumasa Yuki is Japan Tax CEO with Deloitte Tohmatsu Tax Co. Since joining Deloitte in 1996, most of his client portfolio has comprised international clients, particularly Japanese Multinational companies. He spent two years on secondment to Deloitte London and was involved in various projects, such as cross-border reorganisation projects in the European region. Upon returning to Japan, he was appointed as a partner in 2010, the leader of International Tax and M&A from 2019 to 2023, the leader of Family Consulting from 2022 to 2023 and Deputy CEO from 2022 to 2024. Since 2024, he has held the role of Japan Tax CEO. His expertise includes cross-border M&A planning, setting up cross-border tax structuring, and consulting on Japanese CFC rules and tax governance. Kazumasa received a Bachelor of Economics from Keio University (Japan) and is a member of the Japanese Certified Public Tax Accountants.
Awards & Recognition
Kazumasa was listed as “The world’s leading tax advisers (2022)” and ”World Tax Notable Practitioner(2024, 2025)” on World Tax Leaders issued by International Tax Review.