YOON&YANG
Gi Ok Lee Partner
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  • TEL 82 2 6003 7586
  • FAX 82 2 6003 7021
  • E-MAIL
Ki Ok Lee is a partner at Yoon & Yang LLC. His practice focuses on criminal defense related to serious accident, tax, finance, intellectual property, and food and safety issues.
Mr. Lee has extensive experience in investigations relating to public official corruption, corporate and financial crimes such as embezzlement and breach of trust, as well as tax, environment, and food issues from his career as a prosecutor and chief prosecutor at the Seoul Northern District Public Prosecutors' Office, Ulsan District Public Prosecutors' Office, Suwon District Public Prosecutors' Office, Seoul Central District Public Prosecutors' Office, Daegu District Public Prosecutors' Office, Suwon District Public Prosecutors' Office Pyeongtaek Office and Ansan Branch Office. In particular, Mr. Lee achieved outstanding results in the field of environment and food crimes while serving as an environment and food inspector at the Ulsan District Public Prosecutors' Office and Suwon District Public Prosecutors' Office. He has expertise in the collection and management of criminal information based on his experience as a prosecutor research officer in the Office of the Supreme Prosecutor's Office.

Experience

  • 2016-present Yoon & Yang LLC
  • 2025-present Member, Serious Accident Prevention Inspection Committee, Korea Environment Corporation
  • 2025-present Legal Advisor, Ulsan Environmental Engineers Association
  • 2023-present Honorary Legal Advisor, National Water Industry Cluster Project Group, Korea Environment Corporation
  • 2018-present Legal Advisor for Public Officials Handling Complaints, Government Employees Pension Service (for public officials handling complaints)
  • 2015-16 Chief Prosecutor, Ansan Branch, Suwon District Public Prosecutors’ Office
  • 2014-15 Chief Prosecutor, Criminal 4th Division, Daegu District Public Prosecutors’ Office
  • 2012-14 Chief Prosecutor, Pyeongtaek Branch, Suwon District Public Prosecutors’ Office
  • 2011-12 Prosecution Research Officer, Supreme Prosecutors’ Office
  • 2009-11 Prosecutor, Cheongju District Public Prosecutors’ Office
  • 2006-09 Prosecutor, Seoul Central District Public Prosecutors’ Office
  • 2004-06 Prosecutor, Suwon District Public Prosecutosrs’ Office
  • 2002-04 Prosecutor, Ulsan District Public Prosecutors’ Office
  • 2001-02 Prosecutor, Seosan Branch of Daejeon District Public Prosecutors’ Office
  • 1999-01 Prosecutor, Northern Branch of Seoul District Public Prosecutors’ Office

Education

  • 1999 Judicial Research and Training Institute
  • 1993 Yonsei University School of Law, LL.B.

Qualifications

Admitted to bar, Korea (1999)

Representative Matters

  • Represented major corporations such as H Construction, D Construction, D Corporation, and K Corporation in serious accident cases
  • Represented K Securities in a Capital Markets Act violation case related to the Lime Fund
  • Represented executives and employees of major conglomerates such as D Corporation, S Corporation, and I Corporation in embezzlement and breach of trust cases
  • Represented companies such as B Corporation and S Corporation in tax crime cases
  • Represented K Securities, D Corporation, and I Corporation in various market manipulation cases
  • Represented the Financial Supervisory Service and K Corporation in recruitment-related corruption cases
  • Represented H Corporation, C Corporation, and K Corporation in food safety and environmental crime cases
  • Represented pharmaceutical companies, physicians, and pharmacists in pharmaceutical rebate cases

Awards

  • Ministerial Commendation, Ministry of Justice (2016)
  • Prosecutor General's Commendation (2002)

Languages

Korean and English