Benjamin Ruppik
Postdoctoral Researcher at University of Düsseldorf
Dusseldorf, North Rhine-Westphalia, Germany
Summary
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Senior🎓
Top SchoolBenjamin Ruppik is a postdoctoral researcher combining a decade of mathematical training with hands-on deep learning expertise to advance representation learning for NLP and dialogue systems. Holding a PhD in low-dimensional topology from the Max Planck–University of Bonn collaboration, he applies Topological Data Analysis to probe and improve how large language models encode meaning. Based at Heinrich-Heine-University Düsseldorf’s Dialog Systems and Machine Learning lab, Ben bridges theory and practice—evidenced by full‑stack contributions like extending a point-cloud labeling tool with OpenGL shader and UI work. His background in semantic segmentation and LiDAR processing gives him an uncommon perspective on spatial and linguistic representations, enabling cross-domain insights into model robustness and structure.
10 years of coding experience
PhD Mathematics, Low-dimensional topology, PhD Mathematics, Low-dimensional topology at Max Planck SocietyMaster of Science - MS, Mathematics, Master of Science - MS, Mathematics at The University of Bonn
German, English
Stackoverflow
101reputation
0reached
0answers
0questions
Github Skills (9)
qt-gui10
glsl10
shader10
point-cloud10
opengl10
qt10
computer-graphics9
cprogramming-language9
c-language9
Programming languages (4)
Github contributions (5)
jbehley/point_labeler
Jul 2018 - Aug 2018
My awesome point cloud labeling tool
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:6 commits in 15 days
Contributions summary:Benjamin implemented features related to point cloud data manipulation and visualization within the point labeling tool. They added functionality for cutting point clouds using a plane, enabling the specification of plane parameters through sliders. The changes included modifications to both the front-end (UI) and back-end (OpenGL shaders), demonstrating a full-stack approach to the project.
point-cloudsemantickittivelodynepoint-cloudslabeling
ben300694/ben300694.github.io
Aug 2016 - Dec 2025
Personal website of Benjamin Matthias Ruppik
Contributions:2 reviews, 17 PRs, 107 pushes in 9 years 5 months
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