Weijie Su 苏炜杰

Professor (on leave)
Wharton Statistics and Data Science Department
and, by courtesy, Departments of Computer and Information Science, Biostatistics, Epidemiology and Informatics, and Mathematics
Co-Director, Penn Research in Machine Learning
University of Pennsylvania
Email: suw AT wharton DOT upenn DOT edu

Member of Technical Staff
OpenAI

Research Interests
(Long-term) Mathematical, compute-light approaches to understanding deep learning and AI
(Current) Statistical foundations of large language models, privacy-preserving machine learning, high-dimensional statistics, mathematical optimization, phenomenological deep learning theory

Education
Ph.D., Stanford University, 2016
B.S., Peking University, 2011

Recent Featured Papers
News
  • August 2026. I am deeply honored and privileged to receive the 2026 COPSS Presidents' Award at JSM in Boston.
  • November 2025. A paper was invited for presentation at the JRSSB Editors' Invited Session at the 2026 RSS Conference in the UK.
  • September 2025. A paper was invited for presentation at The Annals of Applied Statistics Invited Paper Session at JSM 2026.
  • September 2025. Our paper You Are the Best Reviewer of Your Own Papers: The Isotonic Mechanism is accepted by Operations Research.
  • September 2025. Our paper The 2020 United States Decennial Census Is More Private Than You (Might) Think is accepted by PNAS.
  • September 2025. I will serve as the Scientific Integrity Chair for ICML 2026.
  • August 2025. I received the Outstanding Young Talent Award in the 2025 China Annual Review of Mathematics.
  • July 2025. I was selected to deliver the IMS Medallion Award and Lecture in 2027.
  • May 2025. Our paper on the ICML ranking experiment will appear as a Discussion Paper in JASA.
  • May 2025. I was elected as a Fellow of IMS.
  • May 2025. I'll serve as the Program Chair for the ASA Text Analysis Section starting January 1, 2026.
  • March 2025. We offered (with Qi Long and Inyoung Choi) a short course on large language models at ENAR 2025.
  • January 2025. Our third ranking experiment (with Buxin Su) was successfully conducted at ICML 2025. See more details in OpenRank.