Dr. Yuh-Shan Ho obtained his PhD in Chemical Engineering from the University of Birmingham in the United Kingdom in 1995. Currently he is working as Professor in Department of Environmental Sciences at Peking University, China, and also Director of the Trend Research Centre, Asia University, Taiwan. His working experience includes Technician in Chung Shan Institute of Science and Technology, Ministry of Defense, Taiwan, Research Visitor in School of Chemical Engineering at the University of Birmingham in the United Kingdom, Research Associate in Department of Chemical Engineering at the Hong Kong University of Science and Technology, Senior Specialist in Dahin Group, Taiwan, Visiting Professor in Maitre de conference invite in Laboratoire de Chimie Industrielle - Genie des Procedes, at Conservatoire National des Arts et Metiers, Paris, France, Assistant Professor in School of Public Health at the Taipei Medical University, Visiting Professor in Department of Chemistry at the National Institute of Technology, Tiruchirappalli, NITT, India, Assistant Professor in Department of Chemical Engineering, I-Shou University, and Executer of the Research and Development Taipei Medical University - Wan-Fang Hospital, Taiwan. He has published more than 226 articles papers in journals contributed as author/co-author. He is also member of editor board in number of journals. He is also reviewer of Research Proposals for Funding. He is also serving as referee in number of journals.