Mr Hsieh serves on the boards of a number of non-profit organisations. He chairs the WWF Singapore and Mindfull Community Limited. In business, he is the Chairman of GXS Bank Pte Ltd, Deputy Chairman of CapitaLand Investment Limited, a board director of GIC Pte Ltd, JustCo Holdings Limited and UltraGreen.ai Limited, and adviser to the PrimePartners Group, which he co-founded. He is also Chairman of the National Wages Council. Previously, Mr Hsieh served as Group Managing Director of BNP Prime Peregrine Group Hong Kong, CEO of Singapore Exchange, President of Temasek Holdings, Chairman of Tiger Airways, Chairman of United Overseas Bank, Chairman of Asia Capital Reinsurance Group Pte Ltd and Chairman of Eastspring Investments Group Pte Ltd. Mr Hsieh was appointed to the NUS Council in 2003, and later NUS Board, for nine years. He is an alumnus of the NUS Business School.