The Democratic Party of Korea, formerly known as the New Politics Alliance for Democracy, is a centrist-liberal South Korean political party. The DPK and its rival, the People Power Party (PPP), form the two major political parties of South Korea.

Park Won-soon was a South Korean politician, activist, and lawyer. His term ended when he killed himself due to a sexual harassment scandal. He was the longest-serving mayor of Seoul, from 2011 until his death in July 2020. Being a member of the Democratic Party of Korea, he was first elected in 2011 and won re-election in 2014 and 2018.