Shaohan (Sean) Yu

Undergraduate Student

Beihang University
Beijing, China.

Email: doublepi [at] buaa [dot] edu [dot] cn

Biography

I am a final-year undergraduate student at Beihang University. I will join PRLab@NJU as a Ph.D. student in 2026, supervised by Prof. Chenyang Si. Currently, my research focuses on unified multimodal models, specifically investigating in-context learning and test-time scaling capabilities. I'm always open to collaboration and discussion. Feel free to reach out via email.

News

[09/2025] Received Ph.D. admission from Nanjing University.
[07/2025] Started internship at Shanghai Artificial Intelligence Laboratory.
[01/2026] Started internship at Meituan.

Internship

Shanghai AI Laboratory

Jul. 2025 - Dec. 2025, Beijing, China

Safety and Trustworthy AI Center, supervised by Jing Shao and Lijun Li

Topic: AI Safety

Meituan

Jan. 2026 - Present, Beijing, China

M17-MM

Topic: Unified Multimodal Models

Education

Beihang University

Sep. 2022 - Present (Expected Graduation: June 2026), Beijing

Undergraduate Student in School of Software

Publications & Preprints

ProGuard: Towards Proactive Multimodal Safeguard

Arxiv Preprint

Shaohan Yu*, Lijun Li*†, Chenyang Si, Lu Sheng, Jing Shao†

[paper] [project page] [code] [models & dataset]

SafeRBench: A Comprehensive Benchmark for Safety Assessment in Large Reasoning Models

Arxiv Preprint

Xin Gao*, Shaohan Yu*, Zerui Chen*, Yueming Lyu, Weichen Yu, Guanghao Li, Jiyao Liu, Jianxiong Gao, Jian Liang, Ziwei Liu, Chenyang Si†

© Shaohan Yu