Weixian Waylon Li
Waylon Li

PhD Candidate in AIAI

  • PhD in AIAI

    University of Edinburgh

  • Master by Research in ILCC

    University of Edinburgh

  • BSc Artificial Intelligence

    University of Edinburgh

  • BSc Applied Mathematics

    South China University of Techonology

About Me

I am a final-year PhD candidate at the Artificial Intelligence Applications Institute (AIAI), School of Informatics, University of Edinburgh, advised by Prof. Tiejun Ma. I previously completed an MRes at the Institute for Language, Cognition and Computation (ILCC), University of Edinburgh, advised by Prof. Shay Cohen.

My research has two closely connected strands. The first develops post-training and adaptation methods for reliable LLM agents. I study how language models can learn from feedback, improve through self-play, use memory, retrieve relevant evidence, and act robustly in long-horizon settings. Representative work includes controllable LLM behaviour through SEKA, temporal and agentic memory through RoMem, and robust retrieval/ranking through TSPRank.

The second strand applies these methods to FinAI, where reliability, distribution shift and long-horizon evaluation are central. My work studies LLM-based investment agents, trader risk ranking, synthetic transaction generation, financial backtesting and look-ahead-bias mitigation. This includes financial AI systems such as FINSABER, FinCAD, PA-RiskRanker, and SynthRank.

Across these two strands, my ultimate goal is to make algorithmic advances that matter, and deploy them reliably in high-stakes real-world decision-making.

I have multiple first-author papers at leading venues, including ICLR, KDD, TOIS, AAAI and EACL. I also collaborate on broader agentic AI research, including world modelling and vision-language-action systems, with researchers across academia and industry. I also have interned at Tencent Lightspeed Studio UK, Huawei Technologies Research & Development (UK) Ltd, 2012 Laboratories, and The Alan Turing Institute, and have contributed to teaching machine learning and natural language processing courses at the University of Edinburgh.

I will be on the 2027 job market and am currently looking for full-time Research Scientist or Applied Scientist roles starting in 2027, as well as research internship opportunities before then.

Recent News

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2026
I will attend the ICML 2026 conference in Seoul, South Korea. Feel free to reach out if you want to meet up!
Jul.
Attended ICLR 2026 in Rio de Janeiro, Brazil and presented our paper “Spectral Attention Steering for Prompt Highlighting”!
Apr.
Our paper “Spectral Attention Steering for Prompt Highlighting” is accepted by ICLR 2026
Jan.
2025
Gave a joint talk with Prof. Tiejun Ma at CBG Cloud Service Ireland AI Applications Workshop 2025
Nov.
Our paper “Can LLM-based Financial Investing Strategies Outperform the Market in Long Run?” is accepted by KDD 2026
Nov.

Professional Experience

All experience >>
  1. NLP Research Intern

    Tencent Lightspeed Studio UK
  2. RAG Intern Strategic Researcher

    Huawei Technologies Research & Development (UK) Ltd, 2012 Laboratories
  3. Research Assistant

    The Alan Turing Institute
  4. System Engineer Intern

    International Business Machines Corporation (IBM)

Selected Publication

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Latest Blog Posts
The blog posts have been moved to my Notion site, which offers easier formatting and better design.