Calligraphy, poetry, literature, Chinese opera, classical music lovers. Mr Choo was the deputy director of the Singapore National Parks Board, the CEO of of the National Arts Council, the president of the Nanyang Academy of Fine Art, and the CEO of the Singapore Chinese Cultural Center. He has served voluntarily in many arts and cultural organisations in Singapore, including: Chairman of the National Chinese Music Competition Organising Committee, Chairman of the Art Fund of the Gaming Horse Racing Authority, and Independent Director of the Composers and Authors Society of Singapore (COMPASS); He is currently the President of the Global Chinese Poetry Association, and the co-chairman of Singapore Dingyi Music company; Advisor of Singapore Chinese Music Federation.