Sang Hyun Lee is a Partner specializing in criminal defense at Lee & Ko since 2024. Prior to this role, he dedicated nearly 20 years to the Prosecution Service, with his last career highlight as the Chief Prosecutor of the Gyeongju Branch of the Daegu District Prosecutors’ Office.

During his tenure at the Prosecution Service, Mr. Lee held various positions across different regional offices, starting as a Deputy Senior Prosecutor of the Public Security Department at the Seoul Central District Prosecutors’ Office and advancing to a Senior Prosecutor of the Public Security Department at the Ulsan and Daejeon District Prosecutors’ Offices, as well as the Public Security Division II at the Seoul Central District Prosecutors’ Office. As a Certified Class 2 “Blue Belt” Prosecutor in Labor accredited by the Supreme Prosecutors’ Office since 2021, he has been hailed as one of few professionals with excellence specializing in serious accident, labor, election, and political finance matters.

In addition, Mr. Lee has extensive experience and expertise in the fields of anti-corruption, public corruption, and violent crime investigations, including corporate-related fraud, embezzlement, breach of trust, violent crimes involving drugs, and public corruption matters, accumulated through his decade-long career working as a Prosecutor of the Special Crime Investigation Department at the Ulsan District Prosecutors’ Office, the Violent Crime Investigation Department at the Seoul Central District Prosecutors’ Office, and as a Senior Prosecutor of the Criminal DivisionⅤ at the Daejeon District Prosecutors’ Office dedicated to special and violent crimes and public security investigations, as well as the Criminal Division III at the Seoul Western District Prosecutors’ Office dedicated to violent crime investigations.