2008.6--2013

    Associate director, Medical center, Xian Jiaotong University

2004.1--2013

    Vice dean for teaching, School of Medicine, Xi’an Jiaotong University

2007.6--2007.7

    Visiting Professor, Shiga University of Medical Science, Japan

2005.8--2005.9

    Visiting Professor, Research Centre of Sainte Justine’s Hospital in Montreal, Canada

2000.5--2000.10

    Visiting Professor, University of Maryland, USA

1998.9--1999.4

    Visiting Professor, National Institute for Physiological Sciences (NIPS),  Japan

1997--present

    Professor in Department of Pharmacology, School of Medicine, Xian Jiaotong University

1996--1997

    Postdoctoral Fellow, University of Maryland, USA

1995--1996

    Postdoctoral Fellow, University of California, USA

1990--1994

    Postdoctoral researcher, University of Leeds, England

1989--1990

    Visiting scholar, Faculty of Medicine, Kyoto University, Japan

1988--1989

    Lecturer in the Dept. of Electrophysiology, Xian Medical University

1985--1988

    Teaching assistant in the Dept. of Electrophysiology, Xian Medical University