Prof. Dr.-Ing. Wagner graduated from TU-Darmstadt in 1983 and holds a doctoral degree as Civil Engineer. Since 1996, he is General Manager of the IWAR Institute at the same university. In 2006 he was nominated Professor Honorarium at the Qingdao Technological University, China. Since 2009 he is also head of the Chinese section of German Water Partnership GmbH. His expertise is on waste water treatment, aeration and gas transfer, energy in wastewater treatment plants and water infrastructure solutions for fast growing urban areas. In Mundus Urbano, he teaches courses on Urban Infrastructure.