She is also the incumbent Selangor State Legislative Assemblywomwn for the Bukit Lanjan state seat since 2008.
She is a member of People's Justice Party (PKR), a component party of Pakatan Harapan (PH) coalition.
Wong is also a human rights activist and was involved in activist environmental campaigns.
Wong entered the electoral arena as a PKR candidate] during the 12th general election and on 8 March 2008, Wong created an upset by defeating the incumbent and was elected as the new Selangor State Assemblyman for Bukit Lanjan with a majority of over 5000, the second largest majority won by PKR state assembly candidates in Selangor.