Ji-Hyun Yoon is currently Professor of Tax Law at the Seoul National University School of Law. He is a graduate of Seoul National University College of Law, from which he acquired of the degrees of Bachelor of Law (1994), Master of Law (2000) and PhD (2012). He also obtained an LLM degree (2005) from Georgetown University Law Center.
After serving in the Republic of Korea Army as a judge advocate for 3 years, Prof. Yoon started his legal career in 1999 as a tax practitioner at Yulchon LLP, one of the major law firms in Korea and known for its tax practice. He became a partner in 2006 but left the firm at the end of 2007 to join the faculty of the Seoul National University School of Law (then College of Law).
Prof. Yoon teaches general tax law, and he is best known in Korea for his academic activities in the area of tax procedure and international taxation, among others. He is an active member of IFA and was the first member of the Permanent Scientific Committee of IFA, representing the Korean branch from 2010 to 2016. He is also a general reporter for the 2018 IFA Seoul Congress and has held various non-standing positions for the Korean government.
In addition to many articles in Korean in various fields of tax law, Prof. Yoon has published several articles in English on international taxation, including articles that appeared in the Asia-Pacific Tax Bulletin and Bulletin for International Taxation. Further, he has received the IFA Korea Best Article of the Year Award for his article “Crossing Back the Rubicon? – A Thought on Whether Korea Can Tax Capital Gain Arising from a Sale of Real Property Company Shares under its Tax Treaty with the US”.