Dr Atul Kumar Sahai has obtained his Masters and Ph. D. degree in Mathematics from the University of Allahabad. He is Scientist G and the Project Director of Monsoon Mission at Indian Institute of Tropical Meteorology (IITM) Pune, and is leading the group of Extended Range Prediction. Dr Sahai has expertise in climate variability and prediction, climate modeling, tropical convection, monsoon dynamics, extreme weather, MJO, role of remote teleconnections from ENSO and IOD, climate change and regional climate scenario generation for impact assessment studies based on regional climate models, operational climate services, flood/drought, cyclones and extreme precipitation prediction, heat and cold wave prediction, high-performance computing, and utilization of Artificial Intelligence and Machine Learning in the field of climate science.