 He is a Director of the family's Lee Group of Companies, a Singapore-based conglomerate of firms in industries that include pineapple and investments, Lee is among the 40 richest people in Singapore primarily due to his stake in family businesses.As a director of the Lee Foundation, Lee also supports education, particularly higher education, around the world through personal donations towards building libraries and reading rooms, as well as supporting the acquisition of published resources for some of the most famous libraries in the world, which include the Needham Research Institute at the University of Cambridge and the Bodleian Library at the University of Oxford.He was named an honorary fellow of the Chartered Institute of Library and Information Professionals for his philanthropic support of libraries worldwide.