• 2019.07–present, Deputy Scretary of CPC(学院党委副书记), School of Mathematics and Statistics, Xi’an Jiaotong University, China.
• 2018.03–2020.07, Dean of Applied Mathematics(应用数学系主任), School of Mathematics and Statistics, Xi’an Jiaotong University, China.
• 2020.12–present, Full Professor(教授), School of Mathematics and Statistics, Xi’an Jiaotong University, China.
• 2016.09–2020.12, Associate Professor(副教授), School of Mathematics and Statistics, Xi’an Jiaotong University, China.
• 2014.07–2016.09, Assistant Professor(助理教授), School of Mathematics and Statistics, Xi’an Jiaotong University, China.
• 2013.03–2014.07, Post-doctoral researcher(Adviser: Jung il, Choi), CSE, Yonsei University, Korea.
• 2011.03-2013.02, Korea University (高丽大学), PH.D Adviser -- Junseok Kim
• 2009.03-2011.02, Korea University (高丽大学), M.D. Adviser -- Junseok Kim