Dr. Yu is Director of the General Education Centre of the Hong Kong Polytechnic University. His main area of interest is in ethics – including ethical theory and applied ethics. An awardee of a teaching awards, he was elected Fellow of the Institute for Advanced Studies in the Humanities of the University of Edinburgh, and has been a Senior Fellow in the Centre for European Integration Studies of Bonn University, Germany, and a Research Fellow of the Harvard School of Public Health of Harvard University.