ESB Introduction
CEO Professor
- Company Naver/Happy Bean
- Company Dong-A Socio Holdings
- Rank CEO Professor
- Company Ilshin Investment Co., Ltd. President
- Company Hanmi Accounting Corp. Executive Director
- Company Taekyung Chemical Co., Ltd.
- Company Unico Search
- Company Morgan Stanley
- Company Korea Investment & Securities Co., Ltd.
- Company Kim & Chang
- Company Citibank Korea