He was elected as the Member of National Assembly for Gwanak 2nd constituency in 2012 but invalidated by court order in 2014.

Born in Jecheon,[1] Lee attended Yongmoon High School,[2] and earned a bachelor's degree in public law from Seoul National University.

[1] Lee was an independent Guro District Council member candidate for Sindorim-dong in 1995 but was not elected.

He was selected as the DLP MP candidate for Eunpyeong 2nd constituency at the 2010 by-election, though he abandoned his campaign.

[4] Originally, Lee Jung-hee, one of the co-Presidents of the UPP, won the opposition preselection over Kim Hui-chul, the DUP candidate and the incumbent MP.

[5] However, Kim subsequently left DUP and ran as an independent candidate,[6] citing that the preselection was rigged.

[20] On 22 May 2012, Lee was questioned by an audience in MBC 100 Minutes Debate, to explain his position and opinion about the issues regarding North Korea i.e. human rights and nuclear.