He is the Creative Director of Fontworks Inc., a font design company he co-founded in 2005. With over 25 years of experience, he is recognized as one of South Korea’s leading type designers. He has developed corporate fonts for Samsung, Kakao, Naver, Hyundai Card, Nexon, the Korea Publishers Association, MBC, KBS, YTN News, Dong-A Ilbo, Lotte Mart, Daishin Securities, and LINE Japan, among others. His work includes commercial typefaces such as Yoon Gothic and Yoon Myungjo, Rix Gothic and Myungjo, the Rix Road Name series, the Rix Rock series and Rix Rock Variable, as well as various Rak fonts, including Rak Gothic and Myungjo Variable. To date, he has directed and developed approximately 1,000 typefaces. He has received numerous prestigious design awards, including the iF Design Award for Typeface Design, Red Dot Design Award, Good Design Award, Asia Design Prize Winner, German Universal Design Award, and the K-Design Award Grand Prix.