Ir Patrick L.T. Chan is a civil engineer by profession. He obtained his BSc. from the University of Wisconsin-Madison, USA, and his MSc. from the IHE Delft, Institute for Water Education, the Netherlands, in 2002 and 2015 respectively. He is currently the senior engineer of Flood Resilience Section of Drainage Services Department with experience in various stormwater management and planning including drainage impact assessment, R&D in sustainable drainage system, and revitalising water bodies. Ir Chan is also the head of the hydraulic modelling team of the department, providing technical advice on modelling application in drainage and sewerage projects. He now engages in flood resilience planning and the promotion of blue-green infrastructure for the department.