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TheodorWu/README.md

Theodor Wulff

Doctoral Candidate at the University of Manchester, working on chain-of-thought alignment between language and actions in Vision Language Action models. I use mechanistic interpretability to understand how VLAs ground language in the physical world.

Looking to bring that research foundation into industry as an ML Engineer or Applied Scientist.

Research & Interests

  • Vision-Language-Action Models (VLAs): alignment between chain-of-thought reasoning and generated actions
  • Language grounding and semantic alignment across vision, language, and embodied action
  • Mechanistic interpretability in VLAs and foundation models

Projects & Publications

  • GPLA
    Preference learning framework to align chain-of-thought reasoning with action generation. Published at CVPR Findings 2026

  • Action Language Transparency
    Joint generation of action and language tokens to improve interpretability of action generation Published at IJCNN2025

  • PPO Street Fighter 2
    PPO-based RL agent trained to play Street Fighter 2 (older project)

Publications

  • Grounding Hierarchical Vision-Language-Action Models Through Explicit Language-Action Alignment
    Project Page · PDF T. Wulff, R.S. Maharjan, F. Tavella, M. Adikari, and A. Cangelosi CVPR Findings

  • Joint Action Language Modelling for Transparent Policy Execution
    GitHub · PDF T. Wulff, R.S. Maharjan, X. Chi, and A. Cangelosi IJCNN

Reading

Currently Reading

  • Designing Machine Learning Systems, Chip Huyen
  • The Road, Cormac McCarthy

Recently Finished

  • How Tyrants Fall: And How Nations Survive, Marcel Dricus
  • Mood Machine: The Rise of Spotify and the Costs of the Perfect Playlist, Liz Pelly

Outside Research

  • Play guitar. Strictly bedroom level, no audiences harmed.
  • Avid music listener. Always looking for recommendations.
  • Boardgame enthusiast. Absolutely love Spirit Island.
  • BJJ purple belt & karate black belt. I used to coach kids' karate, which taught me more about explaining things clearly than most of my academic training did.

Connect

LinkedIn · Google Scholar · Email

Pinned Loading

  1. ActionLanguageTransparency ActionLanguageTransparency Public

    Code accompanying the paper Joint Action Language Modelling for Transparent Policy Execution presented at IJCNN2025.

    Jupyter Notebook

  2. GPLA GPLA Public

    Code accompanying the paper Grounding Hierarchical Vision-Language-Action Models Through Explicit Language-Action Alignment.

    Jupyter Notebook

  3. PPO-SF PPO-SF Public

    Python