2007/09--now          Associate  Professor, Mechanical Engineering School, Xi’an Jiaotong University

2006/07--2007/03      Research Associate, Institute of Precision Engineering, The Chinese University of Hong Kong

2004/03-2006/06       Assistant Professor, Mechanical Engineering School, Xi’an Jiaotong University

2002/07-2004/02       Postdoc research associate, Material Research Center, Hong Kong Polytechnic University