He received his PhD from Queen's University Belfast in 2004 and worked as a postdoctoral researcher in the Department of Engineered Materials at the University of Sheffield from 2004 to 2007. In 2007, he was appointed as a lecturer in Civil Engineering at Queen's University Belfast, UK. Since 2012, he has been a senior lecturer and Reader in Materials at the Department of Civil, Environmental and Geomatics at University College London. In 2018, he was promoted to professor of building materials. He is currently a Fellow of the British Institute of Higher Education (FHEA), a Fellow of the British Concrete Institute (FICT), a Fellow of the British Institute of Materials, Minerals and Mining (FIMMM) and Director of the Centre for Advanced and Innovative Materials at University College London. He served as Head of the Geotechnical and Materials Department and Deputy Head of Civil Engineering in UCL's Department of Civil, Environmental and Geomatics. He presided over and participated in more than 20 scientific research projects, and received a total funding of nearly 10 million pounds from the British government for scientific research projects. He has hosted and participated in the organization of more than 60 international academic conferences and published more than 170 academic papers. He is mainly engaged in the research of new low-carbon cementing materials, advanced composite materials, new cement and concrete rheological properties, concrete structural durability, structural health monitoring and nuclear waste solidification.