1986, BSc, Chemical Engineering, Univ. of Texas, Austin; 1992, PhD, Chemical Engineering, California Institute of Tech. Currently, Head and Professor, Div. of Environment, Professor of Chemical and Biomolecular Engineering, and Director, Institute for the Environment, HKUST. Project Manager, HKUST Air Quality Research Supersite. Editor-in-Chief, Atmospheric Environment. Recipient: Second Prize, State Natural Science Award (2010); 1st Prize, Natural Science Award (2007). Research interests include air pollution, aerosol science and atmospheric chemistry.