Byoungil-Sun was Born in 1958, in Korea.
Since 1995, he has been a professor in Visual Information Design at Namseoul University. He was the Chair at the Hongik Communication Design Forum in 2011 and at Korea Institute of Cultural Product & Design in 2005 over the years.
Byoungil-Sun has been awarded various prizes such as the Presidential Award for his contribution to the development of design at the Government of the Republic of Korea, the Minister of Education and the Minister of Industry Award at the International Awards Golden Bee of Graphis in Taiwan, Red dot, China-Italy design week, Gdie, Ekoplakt, Information war, World without violence, Reggae Poster Contest, Mandela Poster Project, Poster for tomorrow and 160 international selections with posters. He has also served on the juries of numerous international design competitions such as Lublin International Poster Biennial, Poster for tomorrow in france, Iran Red Ribbon International Poster Competition, Flexibility International Brand Design Awards, Turkey Samsun International Poster Competition, Ukraine COW International Design Festival, China Adack International Poster Exhibition, Asia Next Poster Experimental Design Exhibition, Green+You International Poster Competition in 2014 and Korea International Poster Competition in 2013. He has participated in solo exhibitions, both in Korea and abroad ( notably in London, Canberra, Osaka, Akita, Beijing, Turkey, Indonesia. Poland).