Jörg Drewes, is Professor of urban water systems engineering at the Technical University of Munich (TUM), Germany. Before joining TUM in 2013, he served as full Professor of civil and environmental engineering at the Colorado School of Mines. Professor Drewes’ research and scholarly activities are closely related based on the common theme of energy efficient water treatment systems and water recycling. In particular, he is interested in designing next generation biological treatment systems for chemical and microbial contaminants. He has published more than 400 journal papers, book contributions, and conference proceedings. He currently serves as the chair of the International Water Association (IWA) Water Reuse Specialist Group.