Dong-Hee Choi

Joeun Systems Corp. is a holding company, which offers security and business system solutions. The company operates in the following business areas include: Strategic Business, System Business, United States Forces Korea Business, Special and Financial Security. It offers system integration, intelligent building system, security guards and perimeter intrusion detection. The company was founded by Seung Nam Kim on January 26, 1993 and is headquartered in Seoul, South Korea.

Kyung Hee University provides academic courses and grants academic degrees. It has udergraduate, graduate, international student, and international faculty programs. The firm also provides scholarships and operates Kyung Hee Medical Center, Kyung Hee University Hospital at Gangdong, and Kangnam Korean Hospital. The company was founded on February 15, 1949 and is headquartered in Seoul, South Korea.

Yekyo Accounting Corp. engages in the provision of management consulting services. Its services include accounting audit, tax consulting, human resources reporting, and others. The company was founded on March 9, 2009 and is headquartered in Seoul, South Korea.