Tengyang Xie

I am a Postdoctoral Researcher at Microsoft Research New England (and New York City), affiliated with the NYC Machine Learning Group and MSR Reinforcement Learning Group. Starting in Fall 2024, I will be joining the University of Wisconsin-Madison as an Assistant Professor of Computer Science.

I received my Ph.D. in Computer Science at University of Illinois at Urbana-Champaign, where I was fortunate to work with Nan Jiang. I obtained bachelor's degree in Physics from University of Science and Technology of China. I have also spent time at Simons Institute, Amazon AI, Microsoft Research, and Google Research.

Research Interests: I work on Machine Learning. The primary goal of my research is to design provably efficient and practical algorithms relevant to modern machine learning paradigms, especially for Reinforcement Learning and Representation Learning. My current interests include: 1) pretraining and foundation models for decision-making, 2) reinforcement learning with human feedback, and 3) reinforcement learning with offline data.


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