Jong Youl Choi Partner
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  • TEL 82 2 6182 8395
  • FAX 82 2 6003 7030
  • E-MAIL
Jong Youl Choi is a partner at Yoon & Yang LLC. His main practice area is capital market regulation.
Jong Youl regularly advises unfair trade investigation and disclosure in respect of domestic and foreign financial companies and listed companies, responds to accounting fraud audits and external audits, and assists with capital market regulation matters such as IPO and listing eligibility reviews, as well as examination sanction matters. Leveraging his extensive capital market regulatory experience gained during his time at the Capital Markets Investigation Department and the Accounting Investigation Department at the Financial Supervisory Service, he provides personalized advice on capital market regulation and accounting regulatory risks.


  • 2020-present 2020-present Yoon & Yang LLC
  • 2018-20 Yulchon LLC
  • 2016-18 Accounting Investigation Department, Financial Supervisory Service
  • 2013-16 Capital Markets Investigation Department, Financial Supervisory Service
  • 2012-13 Inclusive Finance Support Department, Financial Supervisory Service
  • 2009-12 DR & AJU LLC


  • 2022 Korea University Graduate School, Department of Law (LL.D coursework completed)
  • 2017 Korea University Graduate School of Law, LL.M. in Finance law
  • 2009 Judicial Research and Training Institute
  • 2006 Yonsei University College of Law, LL.B.

Representative Matters

  • Responded to the Financial Supervisory Service audits, the Audit Committee, and the Securities and Futures Commission in connection with accounting fraud
  • Responded to external audits and accounting fraud (digital forensic) of listed companiesResponded to Financial Supervisory Service investigations, the Capital Markets Investigation Examination Commission, and the Securities and Futures Commission in connection with unfair trading investigation
  • Advised on compliance in respect of capital markets regulations of listed companies
  • Advised on the license/permit and registration of financial institutions and fintech businesses
  • Responded to Financial Supervisory Service examination sanction in respect of financial institution
  • Responded to qualitative review of listing eligibility by the Korea Exchange
  • Advised on IPOs


  • Award of the Financial Supervisory Service Governor (2015)


  • Manual for Compliance Assistants (Co-Author), Korean Bar Association, 2019
  • Analysis of Court Precedents on the Accounting Audit System, Financial Supervisory Service, 2017

  • Criticism on the Expanded Application of the Prohibition of Unfair Trading in the Capital Markets Act and Proposed Application Standards (Focused on the Lorenzo v. SEC decision of the Supreme Court of the United States and domestic precedents and enforcements), Human Rights and Justice 495, Korean Bar Association, 2021
  • Practical Issues of General Shareholders’ Meetings upon the Strengthened External Audits (A Focus on the So-Called “Accounting Crisis” of the 2019 General Shareholders’ Meeting Season) (Co-Author), BFL 97, Seoul National University Finance Law Center, 2019
  • Criticism on Article 443 of the Capital Markets Act, Koryo Jurisprudence 86, Korea University Legal Research Institute, 2017
  • A Study on the Unfair Gains of Unfair Trade Practices under the Capital Markets Act, Korea University, 2016