Renmin University of China
Xiangyu ZhangResearcher
StepFun AI
Co-founder and Chief Scientist
via StepFun AI
Researcher
Xiuyu Li
XL
Researcher at StepFun AI
Li is a researcher at StepFun AI working on LLM post-training. Their homepage describes research interests around reinforcement learning, optimization, and large language models, with prior research internships at JD.com, Zhongguancun Academy, and PixVerse, and undergraduate study in computer science at Renmin University of China.
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Background
Current role
Researcher Jun 2026-presentStepFun AI
StepFun AIPreviously
Education
About this data
Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
