South Korea

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

South Korea

Ji Hyun Kim

kim.JPG

Deloitte Anjin LLC (Deloitte Korea)

4F., One IFC, 10, Gukjegeumyung-ro, Youngdeungpo-gu

Seoul, 07326

Korea


Tel: +82 2 6676 2434

Fax: +82 2 6674 2510

Email: jikim@deloitte.com

Website: www.deloitte.com/kr

Ji Hyun Kim, Deloitte Korea, is a tax partner and has more than 20 years of public accounting experience, providing tax advisory services to multinational companies and major local corporations in a broad range of industries. Her extensive and professional work experience covers tax due diligence in M&A transactions, cross-border tax structuring and global tax planning. She is specialised in assisting global companies operating in Korea with a broad spectrum of tax matters and has rendered tax advisory services with a particular focus on regulatory tax compliances such as tax appeals, tax reassessment, tax audit defence, foreign investment tax exemption, etc.

Prior to joining Deloitte Korea in 1997, Ji Hyun worked for the Korean tax authority as a tax official for four years.

She has held several positions both within and outside of Deloitte since joining the firm. She served as a member of the taxpayer advocate committee of Jung-bu regional tax office and as a member of the interpretation of tax law committee of the National Tax Service. She currently serves as an advisory member to the local taxation review committee of Seodaemun-gu.

Ji Hyun is a licensed certified public accountant in Korea, a member of the Korean Association of Certified Public Tax Accountants and a certified candidate of American Institute of Certified Public Accountants (State Board Accountancy of New Hampshire, US).

Ji Hyun earned a bachelor's degree in business administration from the Korea National Open University and associate degree in business administration from the National Tax Officials Training Institute.

deloitte-200.png

Sunyoung Kim

sunyoung.jpg

Deloitte Anjin LLC (Deloitte Korea)

4F., One IFC,10, Gukjegeumyung-ro, Youngdeungpo-gu

Seoul, 07326

Korea


Tel: +82 2 6676 2471

Fax: +82 2 6674 2510

Email: sunnykim@deloitte.com

Website: www.deloitteanjin.co.kr

Sunyoung (Sunny) Kim, Deloitte Korea, is a senior tax partner in the global tax practice. Sunny, who has close to 20 years of experience at both accounting and law firms, has provided various types of tax consulting services for many multinational companies in Korea as well as the US and European multinational companies. She is specialised in international tax issues, tax efficient restructuring, cross-border M&As and tax audit defence and appeals, taking an active leading role in the assignments that required long hours, tight deadlines, effective teamwork and liaisons with clients and other professional advisers.

She served as a committee member at the Ministry of Strategy and Finance, advising on the legislation of partnership taxation, consolidated tax return system, and tax-free reorganisations since 2005. She is currently a member of the national tax ruling committee and tax development committee of the Ministry of Strategy and Finance. She has earned a PhD from Seoul National University School of Law and a Masters of Law in taxation from NYU School of Law. She is also a licensed certified public accountant.

deloitte-200.png

Jisoo Lee

Kim & Chang

Tae-Yeon Nam

Kim & Chang

more across site & shared bottom lb ros

More from across our site

CSR initiatives can sometimes venture into virtue signalling, but Ryan’s tax literacy event for schoolchildren was a genuine and necessary endeavour
Grant Thornton advanced plans to integrate its Australian firm into its US arm, as tax developments spanned law firm hires, aviation levies and digital services taxes
A new focus on early intervention and increased AI use is transforming how tax authorities are approaching TP audits, though capacity-constrained jurisdictions risk falling behind
The French administration has used AI to detect undeclared swimming pools and verandas but always includes a human in the loop, the AI in Tax Forum heard
The UK tax authority’s deputy director of large business also reassured taxpayers that HMRC will not ‘nitpick’ returns
Sucafina’s tax chief was speaking at the ITR Pillar 2 Forum in London alongside experts from HMRC and other organisations
India’s Supreme Court rattled cross‑border structuring with its Tiger Global ruling. Subsequent rule changes narrowed the impact, but significant risks around GAAR, substance and treaty access persist
The UK-based big four spin-off firm has hired Marc Lien, who declared that most AI in professional services today is ‘cosmetic’
Projected revenue losses and exemption requests are harming the project’s capability and viability
HMRC secured lengthy prison sentences in a major payroll VAT fraud case, while law firms announced tax promotions and hires
Gift this article