Dr. Yung Tse Hung is a professor in the Department of Civil and Environmental Engineering, Cleveland State University, USA. He received his Ph.D. in Environmental Engineering from the University of Texas at Austin in 1970 and an MS and BS in Civil Engineering from Cheng Kung University, Taiwan in 1964. He has 15 books, 450 reports and journal publications, and numerous conference presentations in water and wastewater treatment to his credit. He is a fellow of the American Society of Civil Engineers, a diplomate of the American Academy of Environmental Engineers, a fellow of the Ohio Academy of Science, and a member of the Association of Environmental Engineering and Water Environment Federation. He is the executive director of the Overseas Chinese Environmental Engineers and Scientists Association. His research interests include water supply and water treatment, municipal wastewater treatment, industrial waste treatment, biological waste treatment, water and wastewater treatment plant design, water pollution control, and water quality engineering.