2004. 02 Graduation from KAIST Academy (Chief Information Executive Course) 1987. 02 Graduation from Graduate School of Business Administration of Hanyang University (Major: Marketing, MA Degree) 1962. 02 Graduation fromMathematics Department of College of Physics in Hanyang University (BA) 1958. 03 Graduation from Yangjeong high-shool 2006. 06 Superintendant of Kyungwon University 2006. 03 Chairman of Sungnam City Trade and Industry Chamber 2005. 01 Director of Korea Electronics Technology Institute 2005. 01 Director of Sungnam Industrial Promotion Foundation 2000. 01 List stocks of COMMAX at KOSDAQ 1999. 09 Chairman of COMMAX Co., Ltd 1997. 07 Chairman of the Board for Electric Wave Pollution Effect (1997-2003) 1997. 03 Chairman of the Board for Safe Usage of Electric Equipment 1994. 12 Establishment of Chungang Electronics Overseas Branch in Tianjin (Appointment as Director) 1987. 10 President of Hanyang University Alumni Society (1987-1996) 1983. 02 Director of Korean Organization for Promotion of Electronic Industry 1979. 02 President of Korean Association of Producers of Electronics 1976. 12 Establishment of Joint Stock Entity "Chunang Electronics" 1968. 04 Establishment of "Chungang Electronics Corporation" 1964. 11 Military Service in National Fleet 2010. 04 Awarded as active participant of National Coup d'Etat (50 years Anniversary) 2006. 11 Awarded with 'Tower of Export' for great achievements in promotion of national trade 2005. 11 Grand Prize of Total Commerce and Industry, Sungnam City Commerce & Industry 2005. 11 Distinguished by Sungnam Award for Industrial Achievements 2004. 09 Distinguished by Presidential Award for Industrial Innovations among Domestic Producers 2001. 11 Awarded with 'Tower of Export' by PM of Korea for great achievements in promotion of national trade 1997. 02 Best Electronics Producer of 1997 (Association of Electronics Production Promotion) 1994. 11 Presidential Award for Best Industrial Packing of Products