Subir Sarkar is currently Professor in the Department of Geological Sciences, Jadavpur University, Kolkata India. He obtained his Ph.D. from Jadavpur University in 1990. He has more than 25 years of experience in teaching and about 30 years in research. Dr. Sarkar has worked in different Proterozoic basins in India and his scientific interests are in the areas of sequence stratigraphy, biosedimentology, and basin analysis. With a special interest in the record of early life, he is currently studying the influence of microbial mats on Precambrian sedimentation. He is in the editorial board of Journal of Palaeogeography. He has published more than 100 research articles in peer-reviewed national and international journals and conference proceedings. He has also published 16 book chapters and edited four books.