1) November 2019 - Present

    Distinguished Research Fellow, School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, P. R. China

2) November 2017 - October 2019
    JSPS Postdoctoral Fellow, Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, Japan

3) August 2013 - October 2017
    Associate Professor, School for Radiological and Interdisciplinary Sciences, Soochow University, P. R. China