Mr. Elvis AU is the Deputy Director of the Environmental Protection Department of Hong Kong Special Administrative Region Government. He has a BSc degree in Civil Engineering (major in environmental engineering) and a MSc degree in urban planning with Distinction from University of Hong Kong as well as Master of Science (Finance) with Merit from University of London in 2009. He served as the President and Immediate Past President of International Association for Impact Assessment (IAIA) from 2001 to 2003. He was the chairman of the Environmental Division of Hong Kong Institution of Engineers from 2016 to 2017 and was the Vice Chairman of the Hong Kong Institute of Qualified Environmental Professionals from 2016 to 2018. He has published many articles in international professional books and journals. He has worked in a wide range of environmental areas including environmental policy and environmental legislation including the Environmental Impact Assessment (EIA) Ordinance, strategic planning, EIA and strategic environmental assessment, noise policy matters, cross-boundary environmental cooperation, corporate environmental management, sustainable development, building energy legislation and policy, water quality and sewerage, nature conservation policy and the first Biodiversity Strategy and Action Plan for Hong Kong, waste management and facility planning including the first ever organic waste treatment facility and the integrated waste management facility.  Since 2017, he has been in charge of environmental enforcement, environmental assessment and noise, water quality and sewerage and EPD’s headquarter functions.