Deputy Speaker of the 21st National Assembly
․Member of the 21st National Assembly (2000-2004, 2005-2008, 2008-2012, 2016-2020, 2020-Present)
․President, Korea-Japan Parliamentarians’, National Assembly
․President, Parliamentarians’ Football
․Former Chairman, Nomination Committee for the Local Election on June 1, 2022, People Power Party
․Former Chairman, Nomination Committee for the By-election on April 7, 2021, People Power Party
․Former Floor Leader & Acting Party Leader, Saenuri Party
․Former Secretary General, National Assembly Secretariat
․Former Senior Secretary to the President Lee Myung-bak for Political Affairs
․Former Reporter, Hankook Ilbo (Editorial writer & correspondent to Washington DC)