Youlong Yang is professor, Ph. D. supervisor. He is the trustee of Chinese Mathematical Society and the administrative trustee of Shaanxi Mathematical Society. His research interests mainly focus on statistical learning, theories of data analysis, and theory and applications of probabilistic graphical models. 5 of his journal papers were included in Chinese Academy of Sciences SCI Q1. He chaired 2 projects supported by National Natural Science Foundation and 4 projects supported by Shaanxi Natural Science Foundation and other foundations. He earned National Teaching Achievement Awards, Shaanxi Science and Technology Award, Shaanxi Institute Science and Technology Award, Outstanding Teacher of the University and Model of Teaching Ethics.