He has a PhD in Building Science from the Department of Building, National University of Singapore. He received the World Future Foundation PhD Prize in Environmental and Sustainability Research for his PhD work on air temperature prediction model within urban climatic mapping method (STEVE Tool). His research interests include Urban microclimate; Building Information Modelling (BIM) especially in Facility Management and building energy simulation; Building natural ventilation and passive design; and Green building technology, e.g. green roof, vertical greenery, solar PV. He has worked in a number of research projects with various Singapore government agencies, mainly in the topic of urban microclimate for sustainable urban development.