Hao Helen Zhang is a Full Professor of Department of Mathematics at the University of Arizona, and also a faculty member of Statistics Graduate Interdisciplinary Program (GIDP). She obtained PhD degree in Statistics from University of Wisconsin at Madison, and was a faculty member of Department of Statistics at North Carolina State University between 2002-2011. Dr. Zhang's research areas include statistical machine learning, high dimensional data analysis, nonparametric smoothing, and biomedical data analysis, and her research has been funded by NSF, NIH, NSA, including an NSF CAREER award. Dr. Zhang has been serving on the editorial board of JASA, JCGS, and Statistical Analysis and Data Mining, and the current Editor-in-chief for the ISI journal Stat. Dr. Zhang is an elected member of the International Statistical Institute, Fellow of the American Statistical Association, Fellow of the Institute of Mathematical Statistics, and the 2019 Medallion Lecturer of the Institute of Mathematical Statistics.