Dr. An is an Associate Professor in the School of Energy and Environment at the City University of Hong Kong (CityU). She received her PhD in Civil and Environmental Engineering at the Hong Kong University of Science and Technology (HKUST). Her dissertation on sludge minimization mechanisms in Oxic-Settling-Anaerobic process in wastewater treatment system was well received and cited. Since 2009, Dr. An has extended her research and education career with Sustainability concepts at the University of Tokyo, Japan. She has conducted several research projects and field work focused on sustainable water management and urban development. Dr. An is a member of the Hong Kong Institution of Engineers (MHKIE), registered Korea civil engineer, member of the association of energy engineers (MAEE), certified carbon auditor professional (CAP), and member of the international water association (IWA). Her research emphasizes the development of emerging membrane technologies and innovative approaches to solving pressing water quality and quantity issues.