Jiacheng Xu is a senior research scientist at NVIDIA, where he leads the Nemotron research and development effort focused on advancing code-aware language models. He earned a PhD in computer science from The University of Texas at Austin under Greg Durrett, with a specialization in natural language processing and text summarization. He holds a bachelor’s degree in Computer Software Engineering from Fudan University and contributed to the FudanNLP group. Previously at Salesforce AI Research as a Senior and Research Scientist, his work covered text decoding and generation and applied code LLM projects, reflecting a blend of NLP and production-ready code intelligence. Based in Sunnyvale, California, he brings over a decade of experience across academia and industry, including internships at Google and Microsoft and a track record of bridging research with real-world AI systems.
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