His research interests include water and wastewater treatment, indirect potable reuse technologies, beneficial reuse of produced water during natural gas exploration, the fate and transport of emerging contaminants in natural and engineered systems, and the rejection of organic micropollutants in high-pressure membranes. Previously, Dr. Drewes served as an Associate Director at the National Center for Sustainable Water Supply at Arizona State University, investigating soil-aquifer treatment for sustainable water. Dr. Drewes has a B.S., M.S., and Ph.D. in Environmental Engineering from the Technical University of Berlin, Germany.