Dr. Md. Jahangir Sarker is a Professor in the Department of Fisheries and Marine Science, Noakhali Science and Technology University, Bangladesh. Dr. Sarker worked for more than 20 years in the field of marine ecology, fishery management, and aquaculture in Bangladesh, Japan, and Saudi Arabia which is reflected by his research publications, grants, and awards. Dr. Sarker is interested in the food web ecosystem, primary productivity, heavy metal pollution, and aqua feeding. His research goal is to use microalgae, zooplankton, and polychaetes into the best quality feed and fertilizers for sustainable aquaculture and dynamic aquatic ecosystems.