Dr Nitaya Vajanapoom is currently an Associate Professor at the Faculty of Public Health, Thammasat University, Rangsit Campus, Thailand. She earned her PhD degree in Epidemiology from the University of North Carolina at Chapel Hill, USA in 1999. Her research interests are health effects environmental and occupational exposures, road safety, and public health emergency response. She has been involved in many projects for studying public health and air pollution.