Norbert is an associate professor at the Institute for Water Quality, Resources, and Waste Management at TU Wien. He is involved in international postgraduate courses on various aspects of river basin management and the education of Austrian wastewater treatment plant (WWTP) operators.

Jörg is a full-time professor for water quality at TU Wien (Technical University of Vienna), where he leads a 40-strong research group for water quality management. His career covers 25 years of experience in biological wastewater treatment, aeration technology, membrane technology, and energy efficiency. He has a wide range of practical experience with different types of wastewater treatment plants (WWTPs), focused mainly on activated sludge plants and trickling filters.