Born in Seoul, South Korea. He specializes in Korean typography design, identity design and non-commercial images. He finished his diploma graduated with honors in 1978. In the same year he has begun his didactic work. In 1981-1984 he taught students at Seoul institute of Arts as a full time lecturer. He moved to Konkuk University from 1985-2019, where he taught many students as a designer and a professor, 2019 retired and is currently an emeritus professor. In 1991 and 2003 he got his sabbatical year at Syracuse University and Boston University as visiting scholars. Since 1978 he has been teaching graphic design and giving lectures on design concept. 1994-1996 and 2009-2011 he has served as the dean at the College of Art & Design, Konkuk University.
And He has published many papers, including A study on Graphic Design in the cognition and significance of culture and society (The Korea Society of Illustration Research). His professional interests include not only typography but also contemporary painting, graphics and art medias.
In 2017 he received Gold Minister Prize of the Korea Design Exhibition Awards, 2004 he received the President Prize of Education-Konkuk University. And 1994 he received the Grand Prize of Korean Font Competition. The font name is Korean Bright-font. After 2009, He continuously updated Bright-font and published as an open source font and donated profits to an organization that produces braille for the blind. He is invited professional designer of the Korea Design Exhibition Awards. And since 2002 he was in the jury member of Korea Design Exhibition Awards several times.
2013-2015 he was President of Visual Information Design Association of Korea(VIDAK). At that time, he became the chair of Steering Committee and Jury panel of the 2013 International Poster Exhibition Korea. He is a member of China International Design Educator Association (CIDEA), Borderless Graphic Designers Group / Canada, etc. He is Jury panel of the Calanca International Design Biennale 2020 Switzerland, the 17th International Biennial of Theatre Poster in Rzeszów, 2020 Poland and the Wonders 2020 International Poster competition-Borderless Graphic Designers Group / Canada. Now he is working on the development of Korean design through various design group activities. His poster works was recently introduced on the websites of Canada, Poland and Iran.