CV | Tymoteusz Kwieciński

Name	Tymoteusz Kwieciński
Email	tkwiecinski@ethz.ch

2026 → present Zürich, Switzerland

Research Assistant · ETH AI Center
- Supervised by Anna Hedström and Imanol Schlag.
- Building apertus-claritas.org, an interpretability blog for the Apertus model.
- Detected hallucinations in the Apertus LLM with activation probes (write-up).
- Working on anthropomorphic misalignment in frontier language models.
2026 → present Warsaw, Poland

Research Intern · Research Institute IDEAS
- Machine Vision Group led by Bartłomiej Twardowski.
- Working on emergent misalignment in vision models.
2023 → 2025 Warsaw, Poland

Research Software Engineer · MI²AI (Prof. Przemysław Biecek's group)
- Built and administered a bare-metal Kubernetes cluster (4 nodes, GPU acceleration) managed with GitOps; deployed research demos including the ChestChecker app for lung-cancer analysis.
- Led development of two open-source libraries: meteors for hyperspectral XAI (with ESA, ~8k downloads) and SerolyzeR (~3k downloads).
2023 Warsaw, Poland

Data Analyst · Polish Reading Research Institute
- Data visualization and large-scale survey-data processing for readership insights.
2022 Toruń, Poland

Data Analysis Intern · ONDE S.A.
- Optimized operation of a PV-farm energy-storage system to increase profit from energy trading.

2025 → present Zürich, Switzerland

ETH Zürich · M.Sc. in Computer Science (Machine Intelligence major)
- Focused on understanding frontier machine-learning research, working on computer vision and language models.
- Coursework: algorithms, high-performance computing, big-data systems, and probabilistic methods.
2021 → 2025 Warsaw, Poland

Warsaw University of Technology · B.Sc. in Data Science
- GPA 4.87/5, summa cum laude. Award-winning thesis (SerolyzeR): Distinction in the V National Competition for the Best CS Thesis.
- Vice-President of the Mathematical Science Club (2 years); Rector’s Scholarship (4×); Individual Study Plan for top students.

Languages: Python, C++, R

ML & tools: PyTorch, explainable AI, Kubernetes, GitOps

English : C2 (CAE Grade A)

Polish : Native

Italian : A2

Spanish : A2

German : A1