Dr. Santosh Kumar Sarkar, Professor of Marine Science, University of Calcutta, has over 30 years of research experience in marine and estuarine ecology, biology and geochemistry. He has authored more than 70 peer-reviewed scientific articles and several book chapters and also edited a book. He has been the Principal Investigator for 12 national projects in India and 7 international collaborative research projects. He has engaged in collaborative research work with renowned research institutes around the globe, namely, the Institute Rudjer Boskovic, Croatia; University of Genoa and University of Milan, Italy ; IPIMAR/INRB IP, Portugal ; University of Edinburgh, British Geological Survey, UK; University of Wuppertal, Germany; CSIRO, Adelaide, Australia; Masaryk University, Czech Republic and Fluminense Federal University,Brazil. He published the book “Loricate Ciliate Tintinnids in a Tropical Mangrove Wetland: Diversity, Distribution and Impact of ClimateChange” with Springer in 2014, as well as another book titled “Marine Organic Micropollutants: A Case Study of the Indian Sundarban Mangrove Wetland” with Springer (forthcoming).