Short Term Climate Variability and Prediction Indian Institute of Tropical Meteorology (IITM-MoES) Pune, India. Chellappan Gnanaseelan is a Senior Scientist and Project Director of Short Term Climate Variability and Prediction, at the Indian Institute of Tropical Meteorology, Pune. He received his Ph.D. and M.Tech. degrees from the Indian Institute of Technology (IIT), Kharagpur, India. He also served as visiting fellow at Florida State University. His research interests include climate variability, Indian Ocean dynamics and variability, annual to decadal climate prediction and variability, ocean modelling, air–sea interaction, monsoon variability and teleconnection, and data assimilation. He has authored over 100 research papers in peer-reviewed journals. He has successfully guided 15 Ph.D. and 30 Master’s students and presently guiding many doctoral and postdoctoral students and also contributed considerably to human resource development by teaching Master’s and Ph.D. students at Pune University, IITM, University of Hyderabad, IIT Bhubaneswar, and IIT Delhi and trainees of India Meteorological Department. He is an Associate Editor of Journal of Earth System Science and Editor of Ocean Digest, the quarterly newsletter of Ocean Society of India. He is also an Adjunct Professor of Pune University.Short Term Climate Variability and Prediction Indian Institute of Tropical Meteorology (IITM-MoES) Pune, India. Chellappan Gnanaseelan is a Senior Scientist and Project Director of Short Term Climate Variability and Prediction, at the Indian Institute of Tropical Meteorology, Pune. He received his Ph.D. and M.Tech. degrees from the Indian Institute of Technology (IIT), Kharagpur, India. He also served as visiting fellow at Florida State University. His research interests include climate variability, Indian Ocean dynamics and variability, annual to decadal climate prediction and variability, ocean modelling, air–sea interaction, monsoon variability and teleconnection, and data assimilation. He has authored over 100 research papers in peer-reviewed journals. He has successfully guided 15 Ph.D. and 30 Master’s students and presently guiding many doctoral and postdoctoral students and also contributed considerably to human resource development by teaching Master’s and Ph.D. students at Pune University, IITM, University of Hyderabad, IIT Bhubaneswar, and IIT Delhi and trainees of India Meteorological Department. He is an Associate Editor of Journal of Earth System Science and Editor of Ocean Digest, the quarterly newsletter of Ocean Society of India. He is also an Adjunct Professor of Pune University.