Currently Programme Leader at the Faculty of Science & Technology, Technological and Higher Education Institute of Hong Kong (THEi) and Manager at the Research Centre for Waste & Resource Management, Registered Professional Engineer of Hong Kong and Chartered Chemical Engineer of UK. Upon finishing postdoctoral study in Canada, Dr Tsang worked as a R&D and pilot plant engineer in several chemical and energy companies such as the Hong Kong Towngas. He is now the programme leader and taking charge of 1) managing the Research Centre for Waste and Resource Management, 2) implementation of research projects which are materials and chemical engineering related, 3) managing the programme of Bachelor of Environmental Engineering and Management program at the faculty and supervising students on materials and environmental engineering research projects.