Ok-Sook Byun

Ok-Sook Byun




Ms. Ok-Sook Byun is a partner at Shin & Kim. Ms. Byun has extensive experience in criminal cases involving companies, healthcare & life sciences, white collar crime and politicians, and investigation of various investigation entities such as the prosecutors’ office.

Ms. Byun served as a public prosecutor at the Ulsan District Public Prosecutors' Office, the Suwon District Public Prosecutors' Office, the Goyang Branch of the Uijeongbu District Public Prosecutors' Office and the Daejeon District Public Prosecutors' Office.

  • 2018Yonsei University Law School (LL.M., Business Administration Law)
  • 2013-2014Fordham Law School, USA (Visiting Scholar)
  • 2014Completion of Corporate Law Center Compliance program, Fordham Law School, USA
  • 2007-2008Universidad Complutense de, Madrid(UCM), España (Visiting Scholar)
  • 1990-1994Yonsei University, College of Law (LL.B.)
Professional Career
  • 2021-PresentGovernmental Member of the Patriots and Veterans Entitlement Commission, Ministry of Patriots and Veterans Affairs
  • 2010-PresentAdvisory Member, National Health Insurance Corporation
  • 2010-PresentShin & Kim LLC
  • 2009-2010Public Prosecutor, Daejeon District Public Prosecutors' Office
  • 2006-2009Public Prosecutor, Goyang Branch of the Uijeongbu District Public Prosecutors' Office
  • 2004-2006Public Prosecutor, Suwon District Public Prosecutors' Office
  • 2002-2004Public Prosecutor, Ulsan District Public Prosecutors' Office
  • 2000-2002Judicial Research & Training Institute of the Supreme Court of Korea
Bar Admissions
  • 2002Korea
  • Korean Bar Association

Korean, English, Spanish

Professional Activities

Recent Experience
  • Embezzlement and breach of trust involving executives and employees of large companies, securities firms, major retailers and IT companies
  • Cases regarding defense business of large enterprises and military secrets
  • Cases regarding business secrets and personal information related to large companies, pharmaceutical companies and broadcasting companies
  • Corruption cases involving lawmakers, mayors, professors and government officials
  • Inside trading and stock price manipulation cases involving large companies, accounting fraud cases involving large companies and large general hospitals
  • Criminal cases involving large construction companies and manufacturing companies in violation of fair trade law
  • Tariffs and foreign exchange cases involving large companies and foreign companies
  • Rebate cases involving medicines of global pharmaceutical companies, cases surrounding unfair claims for insurance benefits, and cases regarding the opening of medical institutions by non-medical personnel
  • Study on Proving Methods for the Establishment of Truthfulness of Evidence and the Value of Evidence under the Spanish Evidence Law (Collection of Thesis, 2009, Legal Research &Training Institute)
Awards and Recognitions
  • 2006Public Prosecutor General’s Commendation
  • 2020Minister of Health and Welfare Commendation
Professional Accolades
  • “Best Lawyer” for Criminal Law, Hankyung Business, 2020-2021
  • "Recommended Lawyer” for Regulatory Compliance and Investigations, Legal500, 2019

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