Professor of Environmental Engineering, University of Technology Sydney

Professor, Department of Civil Engineering, The University of Hong Kong

Professor, Universiti Teknologi Brunei

Tehran University of Medical Sciences

Professor, Department of Civil Engineering, Indian Institute of Technology Guwahati

Department of Environmental Sciences, Government College University, Faisalabad

Professor of Environmental Health Engineering Department, Iran University of Medical

School of Engineering and Technology, Central Queensland University

Ass. Professor, Qatar University

IIT Delhi