Hi there! My name is Levina Mengting Li, a first year Ph.D. student at Nanyang Technological University (NTU), where I am fortunate to be advided by Prof.Siqiang Luo and Prof. Han Yu. Prior to joining NTU, I received my Bachelor’s degree at University of California, Los Angeles (UCLA), while I was doing research supervised by Prof. Kai-Wei Chang and Prof. Ying Nian Wu, working closely with Eric Hanchen Jiang.

🔎 Research

My current research interests focus on these key areas:

a) World Models

b) AI for Science/Biology

📃 Publications

† Equal Contribution (Co-first listed in random order)

GTD: Dynamic Generation of Multi LLM Agents Communication Topologies with Graph Diffusion Models
Eric Hanchen Jiang†, Mengting Li†, Guancheng Wan;, Sophia Yin;, Yuchen Wu, Xiao Liang, Xinfeng Li, Yizhou Sun, Wei Wang, Kai-Wei Chang, Ying Nian Wu
Accepted to ACL ARR, 2026

Agent Q-Mix: Selecting the Right Action for LLM Multi-Agent Systems through Reinforcement Learning
Eric Hanchen Jiang†, Levina Li†, Rui Sun, Xiao Liang, Yubei Li, Yuchen Wu, Haozheng Luo, Hengli Li, Zhi Zhang, Zhaolu Kang, Kai-Wei Chang, Ying Nian Wu.
Submitted to COLM, 2026

RAAS: LLM Agentic System Architecture Search with GRPO
Jiayi Yang†, Guancheng Wan† Mengting Li†, Wnke Huang, Jinhe Bi, Han Zhang, Eric Hanchen Jiang, Yizhou Sun, Wei Wange
Accepted to AAAI 2026 @ Agentic AI Benchmarks and Applications for Enterprise Tasks

Evaluating Evidence of Sociodemographic Bias Within and Across Large Language Models In A Mental Health Support Setting
Levina Li
Internal research report at Cedars-Sinai Clinical Research Team, 2026


🎖 Scholarships and Honors


📖 Education

Expected Graduation: Spring 2030
Ph.D. Student, College of Computing and Data Science, Nanyang Technological University (NTU)
Graduated: Winter 2026
Undergraduate, Statistics & Data Science, University of California, Los Angeles (UCLA)

💼 Experience

UCLA NLP Group, University of California, Los Angeles
Research Assistant, 2025
Topics: LLM, LLM Agents
Research Assistant, 2024-2025
Topics: AI for Healthcare
Ying Nian Wu's Lab, University of California, Los Angeles
Research Assistant, 2024-2025
Topics: LLM, LLM Agents, Graph Learning
Machine Learning Researcher (Intern), 2023.07 - 2023.08
Topics: RF, LR, XGBoost; Benchmarking
Highlights: Directed a 4-person data science team