2013.3-Now   Group leader, Frontier Institute of Science and Technology (FIST), Xi'an Jiaotong University, China     2012.12-2013.3 Visiting Professor, Department of Mater. Sci. Eng., Seoul National University, Korea     2010.12-2013.3   Research Professor, College of Health Science, Korea University, South Korea     2010.9-2010.12  Assistant Professor, National Engineering Research Center for Tissue Restoration     2000.9-2010.9    Ph.D at Biomedical Materials from South China University of Technology (SCUT)  (Prof.Chen Xiaofeng and Prof. Wang Yingjun)