Dr. Saikat Sengupta is currently a senior scientist at the Centre for Climate Change Research at the Indian Institute of Tropical Meteorology (IITM). An expert in isotope geochemistry and hydrogeology, he is currently working on the application of stable isotopes in modern and past hydrology. Dr. Sengupta actively participated in setting up the Laser isotope laboratory at IITM and the stable isotope laboratory at IIT Kharagpur, the first national stable isotope facility for Geosciences research in India. He graduated from Presidency College, Kolkata, in Geology and did his masters (M.Sc and M.Tech) from IIT Bombay. After Ph.D. from IIT Kharagpur, he received various prestigious post-doctoral fellowships (Golda Meir, Brain Korea, etc) and continued his post-doctoral work at Hebrew University Jerusalem, Israel, and NCKU, Taiwan. He has participated in various geological and dendroclimatological fieldworks and published papers in several reputed international and national journals, including Earth and Planetary Science Letters, Environmental Science and Technology, JGR-Oceans, Quaternary Science Reviews, Journal of Hazardous Materials, Water Research, etc. He is currently guiding several master's and Ph.D. students.