Zhijin Guo
AI Research Scientist @ J.P. Morgan AI Research
London, UK
Hello! I’m an AI Research Scientist at J.P. Morgan AI Research where I develop NLP-driven quantitative finance capabilities, including GPT-based trading systems and pipelines that extract trading signals from financial reports and other market data.
Previously I was a postdoctoral researcher at the University of Oxford, supervised by Prof. Janet Pierrehumbert and Dr. Xiaowen Dong, and a member of Trinity College.
Before that I completed a Ph.D. at the University of Bristol under Prof. Nello Cristianini, Dr. Martha Lewis, and Dr. Edwin Simpson.
I bring 4+ years of hands-on experience fine-tuning large language models, embedding relational data, constructing knowledge graphs, developing retrieval-augmented generation systems, and interpreting model behavior for high-stakes financial applications.