Cassandra Lee Shi Wee is a Singaporean politician and lawyer. A member of the governing People's Action Party (PAP), she has been the Member of Parliament (MP) for the Ayer Rajah division of West CoastâÂÂJurong West Group Representation Constituency (GRC) since 2025.
Lee graduated from the National University of Singapore (NUS) with honours degrees in law and economics.
Lee is a lawyer. She first worked for Enterprise Singapore, a statutory board, serving on its negotiation team for free trade agreements and as a representative for Singapore at ASEAN and APEC. She subsequently worked in the Attorney GeneralâÂÂs Chambers (AGC) as a state counsel and deputy public prosecutor. She is currently an assistant director at the legal counsel of EY Singapore, which she joined in 2023.
Lee began volunteering with the PAP in 2009 at the party's Yuhua branch. In that capacity, she led schemes to support young parents in their balance of work and caregiving, as well as improve barrier-free access for the elderly.
In the lead-up to the 2025 general election, Lee and David Hoe joined JurongâÂÂClementi Town Council as volunteers, signalling that they would likely be fielded in Jurong EastâÂÂBukit Batok GRC, which had been created to replace the defunct Jurong GRC. However, she was instead fielded in West CoastâÂÂJurong West GRC, having been absent from the PAP team for Jurong EastâÂÂBukit Batok GRC when it was officially introduced.
Lee became an MP for West CoastâÂÂJurong West GRC after the PAP team defeated the Progress Singapore Party (PSP) with 59.99% of the vote.
Lee faced criticism following her maiden parliamentary speech on 24 September 2025, in which she stated that it was the "best time to start and raise a family" in Singapore. Her remarks were widely regarded as out of touch.
Lee is married and has a son. When she was 23, her father was diagnosed with cancer, which he subsequently died of.