Born in Kolkata (formerly Calcutta) in India, Satyen Saha received B.Sc. (Chemistry honors, 1994) and M.Sc. (Chemistry, 1996) from Jadavpur University, Kolkata. He received his Ph.D. (Photochemistry, 2002) from Hyderabad Central University, Hyderabad, India under the supervision of Prof. Anunay Samanta. Subsequently he moved to Department of Chemistry, University of Tokyo, Tokyo for post doctoral research (2002–2005) in the group of Prof. Hiro-o Hamaguchi, followed by post doctoral research work with Prof. Richard Wiess, Georgetown University, Washington DC, USA. He was the recipient of JSPS post doctoral fellowship and JSPS bridge fellowship for the foreign researcher. At present he is an Associate Professor in 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, high energy density materials, and photophysical studies (steady and time-resolved) of fluorescent molecules in condensed and solid states and their Photochemistry.