Born in Kolkata (formerly Calcutta) in India, Satyen Saha received his BSc (Chemistry Honors, 1994) and MSc (Chemistry, 1996) from Jadavpur University, Kolkata. He earned his Ph.D. (Photochemistry, 2002) from Hyderabad Central University, Hyderabad, India. Subsequently, he moved to the Department of Chemistry, University of Tokyo, Tokyo, for postdoctoral research (2002–2005) in the group of Prof. Hiro-o Hamaguchi, followed by postdoctoral research work with Prof. Richard Wiess, Georgetown University, Washington DC, USA. He was the recipient of a JSPS postdoctoral fellowship and a JSPS bridge fellowship for a foreign researcher. At present, he is a Professor in the Department of Chemistry, Institute of Science, Banaras Hindu University (Central University), Varanasi, India. His present research interests are synthesis, structure (solid and liquid phase), and interactions in ionic liquids, NIR emitting materials, ionic liquids, and photophysical studies (steady-state and time-resolved) of fluorescent molecules in condensed phases.