Rongzhi Zhang
Applied Scientist @Amazon
Palo Alto, CA, US
EMAILS
MOBILE NUMBERS
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WORK HISTORY
Jun 2025 — Present
Applied Scientist @Amazon
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Palo Alto, CA, US
End-to-end post-training for Amazon’s LLMs, covering scalable data synthesis and RL training.
EDUCATION
N/A
Zhejiang University
Bachelor of Engineering - BE
N/A
Georgia Institute of Technology
Doctor of Philosophy - PhD, Machine Learning (CSE)
N/A
Harvard University
Visiting Student Researcher
ABOUT RONGZHI ZHANG
https://rongzhizhang.org/I work on end-to-end LLM post-training at Amazon, focusing on scalable data synthesis and reinforcement learning. Previously, I earned my Ph.D. in Machine Learning from Georgia Tech, where I conducted research on LLM efficiency and data-centric ML.
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