Lee Kim Sin is a Malaysian politician who served as Member of the Selangor State Legislative Assembly (MLA) for Kajang from March 2008 to May 2013. He is a member of People's Justice Party (PKR), a component party of Pakatan Harapan (PH) and formerly Pakatan Rakyat (PR) coalitions. Death. Lee Kim Sin died of a heart attack at the age of 66 in morning of Tuesday on 11 May 2021.