• The 24th Korea Bar Exam passed 

• The 14th Judicial Research & Training Institute completed

• Air Force Judge Advocate

• Seoul Eastern District Court, Judge

• Gwangju District Court & Gwangju High Court, Judge

• Seoul High Court, Judge-cum-National Court Administration, Deputy Director General of Litigation Bureau

• Seoul District Court, Judge

• The Chief justice of a court, Gwangju District Court Haenam branch

• Professor of Judicial Research & Training Institute

• Chief Judge of Seoul Central, Southern, Northern District Court  

• ( Previous ) Publication committee member of Court’s working-level Summary { Civil (The first, second volume), Criminal, Administration }  

• 2001. 2006. 2009. 2010 Korea Bar Examination Examiner & 3rd interview committee member

• 2012. Examiner of Law School Bar exam

• Law Firm Min, Managing Partner

• K 1 Chamber, Partner (2024-Present)

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  - Book :  Annotation, particulars of Criminal law (5)