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Yichong Xu (徐一翀)

I'm a Member of Technical Staff at Character.AI, working on large language models and chatbots. Prior to that, I was a Senior Researcher in AI Cognitive Services Research Group at Microsoft. I work on machine learning, including interactive machine learning, preference learning, natural language processing, and deep learning. Previously I have done research on computer vision and game theory.

Contact: yichong [at]


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We are hiring! See here for a list of positions. If you know me in person, feel free to shoot me a message before you apply.
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