
Hi, I'm Zhehao Zhang
I'm a PhD Student in Computer Science at The Ohio State University
I am a first year PhD student in Computer Science & Engineering at
The Ohio State University and a member of the OSU NLP Lab, advised by Prof. Yu Su and closely collaborating with Prof. Huan Sun. Previously, I worked as a Research Intern at
Stanford SALT Lab,
Amazon,
Adobe Research, and
Microsoft Research Lab – Asia. I received my Master's degree from
Dartmouth College and Bachelor's degree in Artificial Intelligence Honor Class at
Shanghai Jiao Tong University.






My research interests lie in Language Agent Safety and Robustness of Large Language Models (LLMs), Alignment, and general human-centered Natural Language Processsing (NLP). I focus on developing methods to evaluate and improve the safety and reliability of LLMs in real-world applications.
Please feel free to contact me by email (zhang.16420@osu.edu) for collaboration opportunities!
Featured Research Publications
Latest research in natural language processing, large language models, and computational social science.
A resource for improving contextual safety and mitigating over-refusals in LLMs
COLM
2025
Visual-perception enhancement via specialized VLM agent collaboration and tool-use
arXiv
2024
Exploring vision-language models' capability in reproducing academic charts
EMNLP
2024
Mitigating biases in hate speech detection from a causal perspective
EMNLP
2023
Can large language models transform computational social science?
CL
2023