Stuart Khan is Professor and Head of School of Civil Engineering at the University of Sydney. He is also an Adjunct Professor in the Faculty of Engineering at UNSW and a Hans Fischer Fellow at the Technical University of Munich, Germany. He has published over 200 peer reviewed journal articles on issues relating to water quality and treatment, including drinking water, wastewater, recreational water, environmental water systems, water recycling and desalination. Stuart is currently Chair of the ATSE Water Forum. Stuart served as a member of the Water Quality Advisory Committee (WQAC) to the Australian National Health and Medical Research Council (NHMRC) from 2007 until 2022. He is currently Chair of the NHMRC Recreational Water Quality Advisory Committee (RWQAC). On these committees and elsewhere, he has made significant contributions to many water quality management guideline documents including the Australian Drinking Water Guidelines, Australian Guidelines for Managing Risks in Recreational Water, Australian Water Recycling Guidelines (Phase 1 and 2), and the World Health Organization (WHO) Guidelines for Potable Reuse.