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Lee & Ko

Jangwoon John Kwak

Jangwoon John Kwak


  • Tax

WSG Practice Industries


WSG Leadership

IFA Group
John Kwak is a partner in the Tax Group and his practice focuses on tax aspects of a wide range of cross-border corporate transactions and investments. He has extensive experience in advising multinational companies in developing effective global tax strategies for their business transactions and has also assisted them in relation to their cross-border acquisitions and joint ventures. He not only provides services related to tax and transfer pricing issues of foreign invested companies in Korea but also has expertise on tax issues and disputes of Korean companies operating in foreign countries. He is also an expert on issues related to private clients and their businesses and has provided services on cross-border tax and estate planning for high net worth individuals.

Prior to joining Lee & Ko, Mr. Kwak worked at M&A Tax practices in major accounting firms based in New York where he was involved in many mergers and acquisitions projects for private equity and strategic investors. He also worked at Yulchon LLC in Seoul where he led its outbound tax practice.

Mr. Kwak has published articles on various tax issues and has frequently lectured on topics of overseas investment and related tax issues in emerging markets at numerous venues including Korea Trade-Investment Promotion Agency, Korea Chamber of Commerce & Industry, and Korea International Trade Association.

Bar Admissions

Admitted to bar, New York : 2000
US CPA : 2001


American University, Washington College Of Law, S.J.D candidate: 2009-present
New York University School Of Law, LL.M. in Taxation: 2002
University Of Pennsylvania Law School, LL.M.: 1998
Yeonsei University College of Law: 1996
Professional Career

Professional Activities and Experience

Lee & Ko: 2013-Present
Yulchon LLC: 2010-2013
Ernst & Young New York : 2006-2009
PricewaterhouseCoopers New Jersey: 2005-2006
KPMG New York: 2001-2004

Supreme Court Says No VAT on Payments via Department Stores’ Mileage Points and Gift Certificates.
Lee & Ko, September 2016

Businesses often provide customer loyalty programs to their customers where certain redeemable bonus points are granted in proportion to their purchase amount in the form of either mileage points or gift certificates (collectively “Mileage Points”)...

Additional Articles

Co-author, Korea chapter, The Inward Investment and International Taxation Review, Law Business Research (Tim Sanders ed., 5th ed. 2015)
Co-author, South Korea chapter, Orbitax International Tax Research and Compliance Expert, Thomson Reuters (2014)
Co-author, “Recent Developments on the Implementation of US FATCA in South Korea,” International Tax Review (July 2014)
Co-author, Country Report for Republic of Korea, Tax Planning for International Mergers, Acquisitions, Joint Ventures and Restructuring (Peter H. Blessing ed., Kluwer Law International 2012, 2013)
Co-author, "Private Client Law in South Korea,” Private Client Handbook 2012/13, Practical Law (2012, 2013)
Co-author, Tax Laws in Korea and the US for Korean Americans, National Tax Service/Consulate General of Republic of Korea in New York (2013)
Co-author, “Taxation Aspects of Mergers and Acquisitions,” Asia-Pacific Tax Bulletin, Volume 17 Number 5, IBFD (September 2011)

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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