The 46th Bar Exam passed

The 36th Judicial Research & Training Institute completed

Certified Public Accountant Qualification

Qualification of tax accountant

Samil Accounting Firm (PWC) Certified Public Accountant

Certified Public Accountant, Fine Management Accounting Firm

Samjong Accounting Firm (KPMG) Certified Public Accountant

Attorney at Apex Law Firm (Limited)

Auditor of Post Office Logistics Support Group (non-standing)

Supervising Committee (under the Securities and Futures Commission) Supervising member

Director of Gwangmyeong City Corporation (non-standing)

Outside Director, Accuon Savings Bank

Kukkiwon Accounting Audit

Non-conservation Healthcare Co., Ltd. Outside Director

a management evaluation committee member of a public institution