Guojin Chen is a researcher working on foundation models for agentic systems, post-training, evaluation, and AI systems for software engineering.https://gjchen.me/https://gjchen.me/writing/research-blog-spike/https://gjchen.me/writing/research-blog-spike/A test article proving that this homepage can render math, citations, and code.Wed, 20 May 2026 00:00:00 GMThttps://gjchen.me/writing/why-this-site/https://gjchen.me/writing/why-this-site/A short note on separating academic credibility from a broader personal surface.Tue, 19 May 2026 00:00:00 GMT