W ee Ee Lim is a Singaporean billionaire and a member of the powerful Wee family, which controls a vast business empire centered on the United Overseas Bank (UOB) and a major property group. He is the son of the late Wee Cho Yaw, the legendary banker who built UOB into a regional powerhouse. While his older brothers, Wee Ee Cheong and Wee Ee Chao, have taken the lead roles at the family's main banking and property companies, Wee Ee Lim has also been active in the family's diverse business interests.

He is the President and CEO of the Haw Par Corporation, a publicly traded company best known as the maker of the iconic topical ointment, Tiger Balm. The Wee family has a significant stake in Haw Par. In addition to his role at Haw Par, he is also involved in the family's other investments and serves on the boards of several companies. His wealth is derived from his inherited stake in the family's massive and highly diversified business empire.