C. Gnanaseelan is a Senior Scientist and a Project Director at the Indian Institute of Tropical Meteorology (IITM), Ministry of Earth Sciences, Pune. His areas of interest include Indian Ocean variability, monsoon teleconnections, climate variability, climate modeling, decadal prediction, and data assimilation. He is an Editor for JGR-Oceans and an Associate Editor for the Journal of Earth System Science. He served as an Adjunct Professor or visiting faculty of Pune University, University of Hyderabad, IIT Delhi, and IIT Bhubaneshwar.