Willem Röpke
I'm seeking a research scientist or post-doc role in reinforcement learning, LLMs, planning, or other ambitious ML projects.
Final-year PhD researcher at the Vrije Universiteit Brussel, working on reinforcement learning, multi-objective decision making & LLM post-training.
Experience
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2021 - present
PhD Candidate
Vrije Universiteit Brussel (VUB),
AI Lab
Multi-objective RL; teaching assistant for the machine learning course.
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Mar 2025 - May 2025
Research Visitor
University of Oxford,
FLAIR
RL post-training for large language models.
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Nov 2022 - Dec 2022
Research Visitor
University of Galway
Distributional MORL; joined the research group of Prof. Patrick Mannion.