Dr. Siddhartha Mandal is an environmental epidemiologist and biostatistician by training whose interests lie in quantitative aspects of biological, medical or environmental research questions. He received his PhD in Biostatistics from UNC Chapel Hill and spent three years as a postdoctoral fellow at the Norwegian Institute of Public Health. He has worked on problems related to environmental toxicants exposure and gut microbial communities, in context of maternal and child health. Currently, he works as a Senior Research Scientist at Centre for Chronic Disease Control, mainly on projects related to air pollution epidemiology, both exposure assessments and health effects studies. He has developed machine learning based models to predict daily average fine particulate matter at high spatiotemporal resolution (1 sq. km. grids) across India and also published findings relating these exposures with health outcomes.