Senior Associate, Samil PricewaterhouseCoopers

Senior Associate, Garib

Manager, KPMG Samjong Accounting Corp

CEO, Seonjin Accounting Corperation

Investigator of the Seoul Rehabilitation Court

Chuncheon District Court Investigator

Investigator and rehabilitation consultant of the Incheon District Court

Investigator and rehabilitation consultant of Suwon Rehabilitation Court

Investigator and rehabilitation consultant of Uijeongbu District Court

Served as a non-executive management member of Chuncheon District Court

Served as a Responsible Investigator of Busan District Court

Participation in the audit of listed and registered corporations