Dr. Prabhata K. Swamee is an Emeritus Fellow at the Indian Institute of Technology Roorkee, India, where he was formerly a professor of civil engineering. He has forty-five years of teaching, research, and industry experience in water resources engineering and has published numerous articles in international journals.

Dr. Ashok K. Sharma is an Urban Water System Designer at CSIRO Australia, where he conducts research on design aspects of water, wastewater, and stormwater systems. As a civil engineer, he has twenty-five years of industry, research, and teaching experience in urban water systems and has had articles on urban water systems design published in international journals.