M.S

Master of Science

University of California San Diego

Graduate Student Researcher

Rose Spatiotemporal ML (STL) Lab, UC San Diego

Developing reinforcement learning methods for weather agents by treating tool servers as interactive environments and designing rewards for complex weather-report generation.

• Advised by Rose Yu, Yian Ma, and Taylor Berg-Kirkpatrick.

Graduate Research Assistant

Rose Spatiotemporal ML (STL) Lab, UC San Diego

Developed CSR, a semantic-space RL framework that improves LLM calibration through correctness and semantic-agreement rewards.

• Advised by Rose Yu and Yian Ma.

Graduate Student Researcher (GSR)

Dept. of Computer Science and Engineering, UCSD

Summer research support in RoseSTL Lab.

Calibrating LLMs with Semantic-level Reward

arXiv preprint arXiv:2605.15588

Propose Calibration with Semantic Reward (CSR), a semantic-space RL framework that combines correctness reward with semantic calibration reward to improve LLM calibration without relying on verbalized confidence.