2011 - 2015: Assistant Professor , Nankai University, P.R. China
2016 - 2021: Associate Professor, Nankai University, P.R. China
2022 - Present: Professor, Nankai University, P.R. China
2002 - 2006: Bachelor’s Degree in mathematics , Shandong University, P.R. China
2006 - 2011: Ph.D. in mathematics, Nankai University, P.R. China
                                   Thesis: Enumerative properties of 0/1-polytopes
                                   Advisor: Bill Chen