Leon Derczynski

Leon Derczynski is an Associate Professor of Computer Science at the IT University of Copenhagen, with a dual role as Principal Research Scientist/LLMSEC at NVIDIA. He leads the Strømberg NLP research group and coordinates NLP South at ITU, while also being affiliated with the Machine Learning group.

• Specializes in Natural Language Processing, Machine Learning, and LLM security
• Focus on Misinformation detection, Clinical text mining, and Danish language technology

Research grants include Verif-AI (2.9M DKK), ClinRead (544K DKK), and LITHME (EU COST action, €11K). He has coordinated major projects like COMRADES and PHEME, and contributed to uComp and TrendMiner.

Scientific recognition includes the University of Sheffield Exceptional Contribution Award (twice), WEBIST Best Student Paper award, and FP7 funding. His technical work includes the garak.ai LLM vulnerability scanner and generalised-brown clustering library.

Actively supervises students and maintains numerous GitHub repositories (86 public projects) related to NLP, machine learning, and computational linguistics. He has delivered keynotes and guest lectures, including at Innopolis University (Russia) and PET (Danish Security and Intelligence Service).