Keren Li is an Assistant Professor at the Department of Mathematics, University of Alabama at Birmingham. He graduated in mathematics from Nankai University in 2001 and received an MS in Mathematics from Louisiana State University in 2004. He got his Ph.D. degree in Statistics from the University of Illinois at Chicago in 2018. Then he joined Northwestern University as a Postdoctoral Fellow in the Department of Statistics and Data Science and NSF-Simons Center for Quantitative Biology (2018-2022). He served as an Associate Scientist at the Informatics Institute, University of Alabama at Birmingham from 2023 to 2024. He has been an Assistant Professor at the University of Alabama at Birmingham since 2022. His research interests include distributed machine learning, federated learning, deep learning, bioinformatics, and financial mathematics. His major research interests are the communication constraint scenarios in distributed learning and federated learning. He is a member of the Institute of Mathematical Statistics.