Dr Kwek is a principal investigator at the Center for Quantum Technologies, NUS and the Deputy Director of the Institute of Advanced Studies at NTU. He is the Immediate Past President of the Institute of Physics, Singapore and a Council Member of the Association of Asia Pacific Physical Socieites. He is also an elected Fellow of the American Associaiton for the Advancement of Science (AAAS) and the Institute of Physics, UK (IOP).