Dr. Chew Lup Wai is an Assistant Professor in the Department of the Built Environment, College of Design and Engineering at the National University of Singapore (NUS). He is the principal investigator of the Airflow-Buildings-Cities Laboratory at NUS (https://blog.nus.edu.sg/lupwai). He obtained his PhD in Mechanical Engineering from Massachusetts Institute of Technology. Prior to NUS, he worked as a postdoctoral scholar at Stanford University. His specialization lies in urban airflow modelling, focusing on natural ventilation, outdoor wind field, and the physics of flows, using both experimental and numerical approaches. In his free time, he enjoys reading, painting and traveling.