Junxiang is currently a Postdoc in the Department of Biomedical Informatics at University of Pittsburgh. He got his PhD and MS in Computer Engineering from Northeastern University, Boston, USA. He got his Bachelor of Engineering degree in Electronics and Information Engineering from The Hong Kong Polytechnic University. His research focuses on machine learning, data mining and statistical pattern recognition. He is particularly interested in Bayesian non-parametric models. He is involved in the COPDGene project, in which they are investigating the underlying genetic factors of Chronic Obstructive Pulmonary Disease (COPD).