Member of Parliament (since 2022 - Present) Lee moved to the federal politics from Pahang state politics by contesting In the
2022 Malaysian general election and not contesting in the
2022 Pahang state election. Lee was nominated by his party to contest for the Petaling Jaya federal seat. He won and was elected to Parliament as the Petaling Jaya MP. He defeated a total of five candidates who are four candidates from
Perikatan Nasional (PN), BN,
Homeland Fighters Party (PEJUANG),
Parti Rakyat Malaysia (PRM) and an independent candidate by a majority of 50,575 votes.
PJ UP Programme and Youth Training Initiatives In December 2023, Lee announced a collaboration between his parliamentary service centre and private partners Novastar and Helios Media to enhance the PJ UP programme, an initiative aimed at youth empowerment. The programme offered LED installation training to young participants, with the goal of equipping them with competitive skills in emerging industries. Lee stated that the initiative was part of a broader effort to ensure that youth are better prepared to seize opportunities in new and growing sectors. On 23 March 2024, the first cohort of 31 participants successfully completed and passed their training examinations. On 14 May 2025, 5 participants under the PJ Up Program passed the NCE Level 2 Installation Course.
PJ Old Town Cultural and Culinary Map In September 2024, Lee announced the launch of a cultural and culinary map of Petaling Jaya Old Town, aimed at attracting tourists and visitors to explore the area's local food, leisure spots, and cultural heritage. In collaboration with a group of volunteers, approximately 20,000 copies of the bilingual map were self-produced and printed for public distribution. The guide features 18 historical or cultural landmarks, 13 long-standing traditional businesses, and 18 local delicacies, and is available in three languages.
Infrastructure and Public Transport Improvements In March 2024, Lee secured funding through the Mesra Rakyat Programme (PMR) to upgrade the football field at Block C of Desa Ria Flats in Petaling Jaya. The completed facility now serves as a well-equipped recreational space for the local community. In January 2025, Lee proposed several measures to improve public transport accessibility, including expanding the e-hailing network for vans and motorcycles, and enhancing pedestrian, bicycle, and e-scooter infrastructure to improve first- and last-mile connectivity. In May 2025, with Lee's support, a pedestrian walkway to the MRT Phileo Damansara station was officially completed and opened. Funded with RM200,000 by the Petaling Jaya City Council (MBPJ), the walkway is expected to benefit between 5,000 and 8,000 commuters by providing a safer and more convenient route to the station, thereby encouraging greater public transport usage.
Child Nutrition and Welfare Programmes In December 2024, Lee launched the Free Milk Programme for Children from Low-Income Families, targeting malnutrition among children in his constituency. The pilot phase, launched at Desa Mentari Blocks 5 and 6, provides weekly milk supplies to 100 families with children aged 1 to 6. Lee expressed hope to expand the initiative to more communities, reaffirming his commitment to child health and welfare.
Addressing Statelessness in Petaling Jaya In 2024 and 2025, Lee actively advocated for the rights of
stateless individuals in his constituency, helping 20 long-time applicants finally obtain their MyKad under the Madani government's inclusive policies.
Pasar Besar Jalan Othman Revitalisation Plan In April 2025, Lee Chean Chung, MP for Petaling Jaya, proposed a revitalisation plan for Pasar Besar Jalan Othman to address declining foot traffic and support local economic recovery. Following consultations with hawkers, his parliamentary service centre submitted three main proposals to the Petaling Jaya City Council (MBPJ). These included activating the underutilised second floor of the market by inviting young entrepreneurs—such as artisans, baristas, and bakers, to create a creative-traditional hybrid space; establishing a site management team comprising hawker representatives to oversee coordination and outreach; and forming a job-matching task force to address local unemployment while helping hawkers overcome labour shortages caused by restrictions on foreign workers.
Member of the Pahang State Legislative Assembly (2013–2022) In the 2013 Pahang state election, Lee was nominated by his party to contest for the Semambu state seat. He won and was elected into the Pahang State Legislative Assembly as the Semambu MLA for the first term. He defeated defending MLA Pang Tsu Ming of
Barisan Nasional (BN) and an
independent candidate by a majority of 3,200 votes. In the
2018 Pahang state election, Lee was renominated by his party to defend the Semambu seat. He won again and was reelected as the Semambu MLA for the second term. He defeated candidates of BN and the
Gagasan Sejahtera (GS) by the slightly bigger majority of 5,511 votes. In the 2022
Pahang State Legislative Assembly debate on the royal address, Lee made headlines by bringing a potted Chinese Goddess bamboo into the chamber, symbolising the value of ecological preservation. During the debate, He criticised the abuse of the forest plantation (Ladang Hutan) scheme as a cover for illegal logging. He revealed that out of the 73,360 hectares of land approved under the programme, only 5% had undergone replanting, resulting in widespread land degradation. He called on the government to table a white paper to investigate the link between these forest conversions and recurring floods, and further proposed amending state laws to impose harsher penalties on irresponsible loggers who exploit forests for profit.
Other Political Experiences Lee has also held other positions as the Treasurer-General of PKR from December 2018 to July 2022, Youth Information Chief of PKR from 2015 to 2018, Chief of Environmental Bureau of PKR from 2012 to 2015, Vice Youth Chief of PKR of Petaling Jaya Utara from 2008 to 2012. In 2008 to 2011, He was a Research Officer of the Office of the
Leader of the Opposition where He conducted parliamentary strategic research for all 31 Member of Parliament of PKR. He was also a board member of Kuantan Port Authority in 2019 where they facilitated the port to be declared as a free-zone port in April of the same year. ==Other careers==