In 1982 Seung Woon Paik received a Doctor of Medicine degree from Seoul National University and a Doctor of Philosophy degree in 1995.
Seung Woon Paik was promoted from associate professor to professor at Sungkyunkwan University, Seoul, from 1997 to 2002. Since 1998 he has been a chief of gastroenterology at Samsung Medical Center. From 1982 to 1983 he was an intern at Seoul National University Hospital, and a resident in internal medicine from 1983 to 1986.
Seung Woon Paik is a member of the Korean Society of Gastroenterology.
On October 6, 1984 Seung Woon Paik married Mi Won Noh. They have two children: In Ho, Su Jeong.