He taught Economics at four other universities in the USA, Canada, China, and Bangladesh. He is a recipient of several Teaching Excellence Awards. Dr. Dewan also worked as a partner/researcher in three consulting firms. He earned his MA in International & Development Economics from Yale University and Ph.D. in Economics from the University of Texas at Austin. A Fulbright scholar, Dr. Dewan was awarded the highest university-wide academic honour, the Asadul Kabir Gold Medal, for his outstanding results in the B.Sc. (Honours) Exam. His current research projects include Measurements of Sustainable and Human Development, Sustainability Assessment of a Small City, Pollution and Optimum City Size, Microcredit Industry, Banking Crises, and Poverty and Inequality.