Dr. Ruiqi Liu, assistant professor, joined Texas Tech in Fall 2020. He received his Ph.D. in Mathematics from Binghamton University in Spring 2018 and worked as a postdoctoral fellow at Indiana University-Purdue University Indianapolis from Fall 2018 to Spring 2020. Before coming to the United States, Ruiqi received a dual Bachelor's degree in Mathematics and Management from Sun Yat-sen University in 2013. Ruiqi's research lies in the interactions of statistics, econometrics, and machine/deep learning. One of his goals is to provide provable statistical procedures to solve real-world problems. Ruiqi's recent work includes semi/nonparametric models, pattern recognization in panel data models, and classification problems.