Chao Qun Lye is a graduate from the National University of Singapore and previously an assistant concrete quality control manager, for ready-mix concrete, with the G&W Group in Singapore. He is currently a PhD doctoral researcher at the University of Birmingham, United Kingdom, working in the area of sustainable construction materials. He holds a strong interest in sustainability and innovation, applying it to the use of cement additions such as fly ash and ground granulated blast furnace slag and the use of recycled and secondary materials in concrete, geotechnics and road pavements.