Professor of Environmental Economics, The Ohio State University

Associate Professor at University of Dar es Salaam

Research Fellow, Adjunct Lecturer, University of the Aegean

Professor of Coastal Engineering, Thuy Loi University, Thuyloi University, Vietnam

Department of Water Resources Engineering, Faculty of Engineering, Kasetsart University

KBR

Scripps Institution of Oceanography, UC San Diego

Lecturer of Coastal Engineering, University of the West Indies

Halla University

PhD Candidate, Delft University of Technology