Certified criminal law lawyer of the Korean Bar

Certified civil law lawyer of the Korean Bar

Public defender of the Supreme Court

Public defender of the Seoul Northern District Court

Hanam Police Station Legal Counsel

Health Insurance Review and Assessment Service Member of the Petition Council

Gangdong Police Station Review Committee on the Deficit Disposition of Administrative Fines

Member of Cheongnyang Elementary School's School Rights Protection Committee

Immigration and Civil Service Agency of the Seoul

Attorney, Sanwoo Lawfirm