Jianfeng Chi in

Jianfeng Chi

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Research Scientist at Meta
📍 New York, New York, United States

Jianfeng is a Research Scientist at Metas Superintelligence Labs, specializing in LLM post-training, reasoning, and safety alignment. He holds a Ph. D. in Computer Science from the University of Virginia and has contributed to key projects like Llama 3 and Llama Guard.

He has a deep interest in the practical application of AI, having previously worked on AI for production systems at Meta and as an intern at Amazon Web Services.

Jianfeng has published research on privacy attacks related to trajectory data in point-of-interest recommendation systems.

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Experience
5 Years
Current Role
Research Scientist
Location
New York, New York, United States
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Priorities

Topics Jianfeng cares about

LLM Safety
His current work focuses on safety alignment, and he was part of the teams that developed Llama Guard 2 and Llama 3 to mitigate model safety issues.
AI Reasoning
He researches how to elicit 'aha moments' in LLMs to improve reasoning, particularly for safety alignment in RLHF.
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Career

Work history

9-2022
Research Scientist
Meta
8-2017 - 8-2022
Graduate Research Assistant
University of Virginia
6-2021 - 8-2021
Software Engineering Intern, Machine Learning (PhD)
Facebook
5-2019 - 8-2019
Applied Scientist Intern
Amazon Web Services (AWS)
In the press

Media appearances

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Education
2017 - 2022
Doctor of Philosophy (Ph.D.)
University of Virginia
2013 - 2017
Bachelor's degree
Beijing University of Posts and Telecommunications
Social presence
in
Behavioral profile

DISC profile (public)

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