Bart Bussmann
Bio
Bart Bussmann is an independent mechanistic interpretability researcher focused on AI safety. He holds an MSc in Artificial Intelligence from the University of Amsterdam (2016-2019) and previously worked as a Machine Learning Researcher at IDLab, University of Antwerp and imec (2019-2022). Since 2023, he has pursued independent alignment research full-time, exploring concepts learned by large language models using sparse autoencoders. His notable contributions include BatchTopK Sparse Autoencoders, Meta-SAEs, and Matryoshka SAEs, with papers published at ICLR and ICML. He has participated in the MATS (ML Alignment Theory Scholars) program and received funding from the Long-Term Future Fund to explore a technical AI alignment research direction.
Links
- Personal Website
- https://bbussmann.com/
- Twitter / X
- LessWrong
- Stuckwork
Grants
from Long-Term Future Fund
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Details
- Last Updated
- Mar 22, 2026, 2:38 PM UTC
- Created
- Mar 20, 2026, 2:48 AM UTC