Professor Jason Lee, a renowned heat stress expert and thermal physiologist, is an Associate Professor at the National University of Singapore Yong Loo Lin School of Medicine. As a leading heat researcher, he serves as the Deputy Director of Human Potential Translational Research Programme and Director of the Heat Resilience and Performance Centre. Jason co-chairs the Heat Injury Clinical Practice Guidelines at the Ministry of Health and chairs the Scientific Committee on Thermal Factors at the International Commission on Occupational Health. He is on the management committee at the Global Heat Health Information Network and leads the WHO-WMO Southeast Asia Heat Health Node to scale up efforts in managing the complex health risks posed by rising ambient temperatures.