Professionals


Associates / Professionals

  • Seungjoon Lee

    Senior Associate

    Mr. Seungjoon Lee graduated from Chung-Ang University’s Department of Law and passed the 52nd Korean Bar Exam. After gaining hands-on experiences at an accounting firm, he joined GAON LAW GROUP and now handles tax appeals, tax investigations, tax planning as well as administrative litigation.

    Education / Qualification

    Seoul University, Graduate School of Science in Tax, Tax Studies (2018 - Present)
    Judicial Research and Training Institute of the Supreme Court of Korea (42nd Class, 2013)
    Admitted to the Korean Bar (52nd Korean Bar Exam, 2010)
    Chung-Ang University, Department of Law, LL.B. (2009)

    Career

    GAON LAW GROUP, Senior Associate (2017 - Present)
    SEHAN LLC, Tax Group, Associate (2016)
    Deloitte Anjin LLC, Tax Advice Center, Attorney (2013 - 2016)
    Korean Bar Association, Specialty Certified (Tax Law, 2018)
    Seoul Bar Association, 17th Tax Training Course (2014)

    Field of Practice

    Tax Advice / Litigation, Tax Investigation, and Tax Planning

  • Seungjae Park

    Senior Associate

    Mr. Seungjae Park graduated from Yonsei University Law School and passed the 3rd Attorney Bar Exam. He joined GAON LAW GROUP’s Tax Group in 2017, and his areas of practice include tax advice / litigation and civil / criminal / administrative cases.

    Education / Qualification

    Seoul National University, Graduate School of Law, Tax Law (Present)
    Admitted to the Korean Bar (3rd Attorney Bar Exam, 2014)
    Yonsei University, Law School, J.D. (2014)
    Yonsei University, Department of Psychology, B.S. in Psychology (2011)

    Career

    GAON LAW GROUP, Senior Associate (2017 - Present)
    Ministry of Justice, Legal Affairs Division, Public Service Judge Advocate (2016 - 2017)
    Korea Legal Aid Corporation, Public Service Judge Advocate (2014 - 2016)
    Korean Bar Association, Specialty Certified (Tax Law, 2021)
    Korea Institute of Local Finance, Advisor (2018 - Present)

    Field of Practice

    Tax Advice / Litigation
    Civil / Criminal / Administrative Cases

  • Youngsik Cho

    Senior Associate

    Mr. Youngsik Cho graduated from Seoul National University and passed the 39th Korean Bar Exam. Mr. Cho started his practice at YULCHON in 2003 and successfully represented clients in many tax lawsuits. He also served as a research officer at the Supreme Court of Korea and the Constitutional Court of Korea. In 2020, he joined GAON LAW GROUP and provides tax advisory and tax controversy services.

    Education / Qualification

    New York University, School of Law LL.M. (2007)
    Seoul National University, Graduate School of Law LL.M. (2005)
    Judicial Research and Training Institute of the Supreme Court of Korea (29th Class, 2000)
    Seoul National University, Department of Private Law, LL.B. (1998)
    Admitted to the Korean Bar (39th Korean Bar Exam, 1997)

    Career

    GAON LAW GROUP, Senior Associate (2020 - Present)
    THE TAX, Attorney (2018 - 2020)
    HMP LAW, Partner (2016 - 2018)
    The Supreme Court of Korea, Research Officer (2014 - 2015)
    The Constitutional Court of Korea, Research Officer (2010 - 2014)
    Yulchon LLC, Associate (2003 - 2010)
    Republic of Korea Army, Judge Advocate (2000 - 2003)

    Field of Practice

    Tax Advisory/ Litigation

  • Geeyoung Ahn

    Associate

    Ms. Geeyoung Ahn graduated from Korea University Department of Law and Law School and passed the 4th Attorney Bar Exam. After working at BARUN LAW as an associate attorney in its Real Estate/Tax and Administration Team mainly in the area of litigation, she now handles various tax cases with a focus on inheritance/gift and trust.

    Education / Qualification

    Admitted to the Korean Bar (4th Attorney Bar Exam, 2015)
    Korea University, School of law, J.D. (2015)
    Korea University, Department of Law, LL.B. (2012)

    Career

    GAON LAW GROUP, Associate (2017 - Present)
    BARUN LAW, Associate (2016 - 2017)
    Seoul Bar Association, 20th Class of Tax Training (2017)

    Field of Practice

    Tax Advice / Litigation, and Civil / Criminal / Administrative Cases

  • Junhyung Park

    Associate

    Mr. Junhyung Park graduated from Chung-Ang University’s Department of Law and passed the 55th Korean Bar Exam. After gaining hands-on experiences at the Board of Audit and Inspection and the National Tax Services of Korea, he joined GAON LAW GROUP and his areas of practice include tax advice / litigation and civil / criminal / administrative cases.

    Education / Qualification

    Judicial Research and Training Institute of the Supreme Court of Korea (45th Class, 2016)
    Chung-Ang University, Department of Law, LL.B. (2014)
    Admitted to the Korean Bar (55th Korean Bar Exam, 2013)

    Career

    GAON LAW GROUP, Associate (2021-Present)
    NTS Jungbu Regional Office, Litigation Division (2017-2021)
    The Board of Audit and Inspection of KOREA (2016-2017)
    NTS National Tax Officials Training Institute, Adjunct Professor (Present)

    Field of Practice

    Tax Advice / Litigation
    Civil / Criminal / Administrative Cases

  • Byengho Cho

    Associate / CPA

    Mr. Byengho Cho is graduated from Sogang University Law School and passed the 9th Attorney Bar Exam. After gaining hands-on experiences at an accounting firm and a tax accounting firm, he joined GAON LAW GROUP and now handles various tax cases.

    Education / Qualification

    Admitted to the Korean Bar (9th Attorney Bar Exam, 2020)
    Sogang University, Law School, J.D. (2020)
    Korea University, Department of Sociology (2015)
    Certified Public Accountant (49th KICPA Exam, 2014)

    Career

    GAON LAW GROUP, Associate (2021 - Present)
    BnH Tax Firm, Associate (2020 - 2021)
    Samil PwC, CPA (2014 - 2016)

    Field of Practice

    Tax Advice / Litigation, Tax Investigation, and Tax Planning

  • Jieun Chung

    Associate

    Ms. Jieun Chung graduated from Chonnam National University Law School in 2019 and was admitted to the Korean Bar. Ms. Chung started her legal career as a law clerk at Daejeon District Court and Daejeon High Court accumulating rich experiences in a wide range of civil, labor, administrative, tax cases before joining GAON LAW GROUP in 2022.

    Education / Qualification

    Admitted to the Korean Bar (9th Attorney Bar Exam, 2020)
    Chonnam National University, Law school, J.D. (2019)
    Sungkyunkwan University, B.A. in Public Policy / Law (2016)

    Career

    GAON LAW GROUP, Associate (2022 - Present)
    Daejeon High Court 2nd Civil Division(Labor), Law Clerk (2021 - 2022)
    Daejeon District Court 2nd Administration Division, Law Clerk (2020 - 2021)
    Daejeon District Court 11th Civil Division(Labor), Law Clerk (2019 - 2020)

    Field of Practice

    Tax Advice / Litigation, Civil / Criminal / Administrative Cases

  • Jaeyun Shim

    Associate

    Mr. Jaeyun Shim graduated from Hanyang University Law school and passed 10th Attorney Bar Exam. He joined GAON LAW GROUP as an associate in 2021.  

    Education / Qualification

    Admitted to the Korean Bar(10th Attorney Bar Exam, 2021)
    Hanyang University, Law school, J.D. (2021)
    Sungkyunkwan University, B.A. in Public Policy (2018)

    Career

    GAON LAW GROUP, Associate (2021 - Present)

    Field of Practice

    Tax Advice/Litigation, Tax Investigation, and Tax Planning

  • Jinhee Cho

    Associate

    Ms. Jinhee Cho graduated from Sogang University Law School and passed the 10th Attorney Bar Exam. She joined GAON LAW GROUP as an associate in 2022.

    Education / Qualification

    Admitted to the Korean Bar (10th Attorney Bar Exam, 2021)
    Sogang University, Law school, J.D. (2021)
    Hongik University, B.F.A. in Painting / Department of Law, LL.B. (2017)

    Career

    GAON LAW GROUP, Associate (2022 - Present)

    Field of Practice

    General Corporate Matters
    Civil Law Litigation

  • Sehyun Kim

    CPA

    Mr. Sehyun Kim started his career in Deloitte Anjin LLC as an accountant in 2004 and joined Sehan LLC’s Tax Group (currently, GAON LAW GROUP’s Tax Group) in 2015. Mr. Kim has provided tax advice and handled tax planning, tax audit, tax appeal, restructuring, etc. for domestic and overseas major companies, including Samsung Group (Samsung Electronics, Samsung Display, Samsung Life Insurance, Samsung Heavy Industries, Samsung Medison, Samsung Lions, etc.), Hyundai Motor Company Group (Hyundai Motor Company, Hyundai Engineering & Construction, Hyundai Engineerings, Hyundai Daimos, Hyundai Powerteck, etc.), POSCO Engineering, Coway, Sejong Industrial, eBay Korea, NCSOFT, Interpark, and C&M.

    Also, he has, on numerous occasions, provided tax advice to non-profit corporations including the Military Mutual Aid Association, Chung-Ang University, Sungkyunkwan University, and the Assan Nanum Foundation. Further, he has provided advice in a wide range of areas including local tax projects, inheritance/gift/trust matters, M&A, and restructuring-related tax audits.

    Education / Qualification

    Certified Tax Accountant (2005)
    Certified Public Accountant, (39th KICPA Exam, 2004)
    Seoul National University, B.B.A. and B.S. in Social Welfare (2004)

    Career

    GAON LAW GROUP, Certified Public Accountant (2017 - Present)
    Sehan LLC, Tax Group, Certified Public Accountant (2015 - 2016)
    Deloitte Anjin LLC, Tax Advice Center, Director (2007 - 2015)
    Deloitte Anjin LLC, Audit Center (2004 - 2007)

    Field of Practice

    Tax Advice
    Tax Audit
    Tax Planning

  • Sim Seo

    Of Counsel / Foreign Attorney

    Ms. Sim Seo has a diverse background in international taxation across several countries, including government experience in the US, private practice experience in the US, Europe and Korea, and in-house experience as tax counsel in the US and tax director in Korea.

    Ms. Seo started practice as an Attorney Advisor in the Office of Associate Chief Counsel (International) for the US Internal Revenue Service. At the IRS, she worked on a wide range of international tax matters, including the US transfer pricing regulations. Subsequently she moved to private practice, working with accounting firms and a law firm in the US and the Netherlands. Ms. Seo also worked with a law firm in Korea, focusing primarily on transfer pricing, dispute resolution, beneficial ownership, and permanent establishment issues. As an international tax counsel for General Electric in Stamford, Connecticut, she worked on US tax issues relating to GE’s foreign operations in China, India, Korea, Japan, and France. In Korea, she also served as the country tax director for the GE operations in Korea.

    Education / Qualification

    Georgetown University Law Center, J.D. (1987)
    University of Maryland, B.A. in French, B.A. in Economics (1984)

    Career

    GAON LAW GROUP, Of Counsel (2019 - Present)
    Kim & Chang, Senior Foreign Legal Counsel (2017 - 2018)
    GE International Inc. (2007 - 2016)
    – Seoul – Country Tax Director
    – Stamford – International Tax Counsel
    Baker & McKenzie, Washington D.C. Partner (2005 - 2007)
    Kim & Chang, Foreign Legal Counsel (2003 - 2005)
    Ernst & Young LLP, New York, Amsterdam, Washington D.C., Seoul Senior Manager (1999 - 2003)
    Arthur Anderson LLP, Washington D.C. Manager (1997~1999)
    Internal Revenue Service, Office of Associate Chief Counsel (International)
    Washington D.C. Attorney Advisor (1989~1997)
    US Peace Corps, Guinea Volunteer (1987~1988)
    Admitted to the Maryland Bar (1989)

    Field of Practice

    Tax Treaty Issues, Competent Authority/Mutual Agreement Processes, Transfer Pricing, US Inbound Tax Issues, and International Tax Policy

    Thesis / Publication

    Chambers Global Practice Guides: South Korea Chapter, Corporate Tax (Co-authors, Chambers & Partners, 2018)

  • Soonyong Sohn

    Of Counsel / CPA

    Mr. Soonyong Sohn has advised on M&A and restructuring and played a role as a project manager or coordinator in tax-related cases and clients’ other cases.

    Education / Qualification

    Kookmin University, B.S. in Accounting

    Career

    GAON LAW GROUP, Certified Public Accountant (2017 - Present)
    The LEADCORP, Inc., Outside Director, Wise Control Inc., Auditor (Present)
    Global Display Co., Ltd., HLE KOREA, and other unlisted corporations, NonStanding Statutory Auditor
    Piljeong Scholarship Foundation, Auditor (2008)
    KPMG Financial Service Inc., Manager in Corporate Finance Division & Corporate Restructuring Division (2000)
    KPMG Sandong Accounting Firm, Japanese Practice Division and Financial Business Division (1996)

    Field of Practice

    Advise on sale and purchase of various companies and businesses (Project Manager, etc.)

    Tax-related Matters:
    Corporate tax audit
    Company owners’ gift tax audits
    Tax appeals and administrative litigation

    Others:
    Internal audit support and internal audit of numerous unlisted companies
    Corporate governance and restructuring
    Review of collaboration with foundations

  • Heungkwan Ryu

    Of Counsel / CPA

    Mr. Heungkwan Ryu provides consulting services in close contact with clients based on his various experiences accumulated at an accounting firm and law firms. He has differentiated experiences in inheritance and gift areas and meets with numerous clients through various lectures and writings.

    Education / Qualification

    Certified Public Accountant (AICPA, 2005)
    Certified Tax Accountant (2002)
    Korea University, B.B.A. (2001)
    Certified Public Accountant (35th KICPA, 2000)

    Career

    GAON LAW GROUP, Certified Public Accountant (2017 - Present)
    Sehan LLC, Tax Group, Certified Public Accountant (2015 - 2016)
    HYUN Law, Certified Public Accountant (2014)
    Kangho Attorneys at Law, Certified Public Accountant (2012 - 2013)
    Samil PricewaterhouseCoopers, Consulting Part, Director (2006 - 2011)
    Jipyong LLC (2005 - 2006)
    Samil PricewaterhouseCoopers, Certified Public Accountant (2000 - 2005)
    Samung Electronics, KT, Doosan, Korean Air, and other major companies, Lecturer (2002 - Present)
    National Tax Service, Specialized Course, Education Board Member (2006 - Present)
    Prosecution Service, Tax Crime Research Association, Education Board Member (2004)
    Judicial Research and Training Institute (2002 - 2006), Institute of Justice (2004 -
    2006), National Intelligence Service Korea (2007), and Korean National Police Agency (2004), Lecturer

    Field of Practice

    Education
    M&A
    Tax

  • Sungho Hong

    Of Counsel / Customs Agent

    Mr. Sungho Hong passed the 29th Regular Customs Agent Exam after working at a foreign-based company and others. Currently, he is working as an expert customs agent in the area of customs duties and customs clearance, including import and export customs clearance, FTA, and customs duty disputes.

    Education / Qualification

    Korea University, Business School, M.B.A.
    Korea University, B.B.A.

    Career

    Ikdo Customs Service and GAON LAW GROUP
    Johnson & Johnson Medical Korea, Procurement Division
    EMI Music Korea, Procurement Division
    KIA Motors, Export Division

    Key Experiences

    Refund consulting (a heavy industries company’s main office)
    Advance origin verification consulting (a retail company’s main office)
    Lecture on FTA utilization practical training (Gyeonggi-do FTA Utilization Support Center)
    Advice on refunds, etc. (LCD and LED system manufacturers)
    Import and FTA consulting (Korea Customs Service, aT, and Korea SMEs and Startups Agency)

    Qualification and Specialty

    Korea Chamber of Commerce and Industry, Trade and Customs Duty Expert Advisor
    aT (Korea Agro-Fisheries & Food Trade Corporation), Import and FTA Expert Advisor

19F, Keungil-Tower,
223 Teheran-ro, Gangnam-gu,
Seoul, 06142
Tel 82-2-3446-5410
Fax 82-2-3446-5700