Research
My interests include i.a.
- privacy and autonomy in AI systems,
- trade-offs between privacy and other protection goals (e.g. fairness, competition),
- digital sovereignty.
Selected publications
H. Graßhoff, M. Hansen, M. Jensen & S. Ramezanian (2026). Short Paper: Models in the Dark – Rectification and Erasure under GDPR in ML Supply Chains. To be presented at Annual Privacy Forum 2026.
H. Graßhoff, M. Jensen, M. Hansen & N. Gruschka (2025). Identification of Compositional Risks in Data Protection Impact Assessments and Beyond. 2025 IEEE European Symposium on Security and Privacy Workshops (EuroS&PW).