Professor of Molecular Toxicology, Tunisia

World Health Organization (WHO)

Deputy Director & Head of Water, Food and Agriculture Organization of the United Nations

World Water Quality Alliance (WWQA), United Nations Environment Programme (UNEP)

CEO, Water Research Commission of South Africa

Homer Nowlin Endowed Chair in Water Research; Professor; Co-Director, Center for Water Sciences and Center for Advancing Microbial Risk Assessment, Michigan State University

Professor, State Key Laboratory of Environmental Chemistry and Eco-toxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences

Professor, IDAEA-CSIC, Spain;  Director. Catalan Institute for Water Research (ICRA-CERCA)

Former President, Global Water Business, and Former Executive Director, Sustainability and Resilience, Black & Veatch (retired)

Principal Hydrogeochemist, British Geological Survey (BGS); Chair, IAH Groundwater Quality Commission

Professor, Division of Sustainable Development, College of Science & Engineering, Hamad Bin Khalifa University, Qatar Foundation, Qatar

Professor, Institute of Life and Earth Sciences; Acting Executive Dean of the School of Energy, Geoscience, Infrastructure and Society, Heriot-Watt University (HWU)

Assistant Professor, Department of Chemical and Biological Engineering, University of Wisconsin-Madison