Huada Daniel Ruan, Dual PhD, Professor and Founding Head of the Department of Environmental Science, Beijing Normal University-Hong Kong Baptist University United International College (UIC). Prof. Ruan earned his first PhD in Mineralogy from The University of Western Australia, and second PhD in Chemistry from Queensland University of Technology. He has a background in chemistry, earth sciences, environmental science, and biological science with more than 25 years of experience in teaching and research in Australia, the U.S., Mainland China, Hong Kong and Macau, and published more than 110 articles. Prof. Ruan is the pioneer researcher established non-point water pollution index in Australia, found and confirmed that 0.02 ppm of phosphorus is the critical value of water eutrophication. His research achievement also include mineral chemistry at Queensland University of Technology, Australia that contributed to a significant increase (2-5%) in the extraction of alumina from bauxite; the bio-chemical remediation of contaminated soils at Purdue University U.S.A. had contributed to the stabilization of heavy metals Cr and Pb biologically and chemically; participation in air pollution monitoring, indoor air quality, food safety and labeling, electronic waste treatment and certification in Hong Kong. He has been invited to be the Adjunct Professor, Griffith University, Australia, Visiting Professor, South China Agricultural University, Visiting Research Professor, Research Institute of Ecology and Soil Science, Guangdong Academy of Science, Honorary Consultant, Hong Kong Institute of Environmentalist, Vice Chairman of the Environmental Subcommittee, Hong Kong Association of Testing, Inspection and Certification, Jury Member of Court, Queensland, Australia, Zhuhai City Committee Member of Emergency Management. He is a Certified Auditor of ISO9001 and ISO14001, editor/reviewer of a number of international journals and an active member of a number of international professional associations.