Zheng Tracy Ke is Assistant Professor of Statistics at Harvard University. She received her Ph.D. in Operations Research and Financial Engineering from Princeton University in 2014. She was a tenure-track Assistant Professor of Statistics at University of Chicago from 2014 to 2018. Her research interest is in high-dimensional statistics, sparse inference, machine learning, network data analysis, text mining, and biostatistics and bioinformatics. Some of her recent projects include studying the optimal statistical inference when the signals are very rare and weak, finding latent community structures from large social networks, and developing statistical methods for natural language processing. She was the recipient of Gordon Y.S. Wu Fellowship from Princeton University in 2009, LAHA Award from Institute of Mathematical Statistics in 2013, and NSF CAREER Award in 2020.