Anna Chelsea Bahß

Data Scientist / Product Owner — Berlin

Skills

Programming & Tools
Python SQL R Git MLOps NLP Tableau Jira Confluence Agile
Languages
German (native) English (native) Japanese (A2)

Experience

Data Science & AI Bootcamp 09/2025 – 12/2025 Le Wagon Berlin, DE
  • Delivered a fully implemented app based on Retrieval-Augmented Generation for analysing Bundestag speeches over the last 5 years.
Technical Product Owner 02/2024 – 05/2025 Robert Koch-Institut Berlin, DE
  • Led a 6-person team developing an internal laboratory system.
  • Automated workflows and ensured highest data quality standards.
  • Planned and prioritised feature development and managed an external vendor.
Data Scientist 07/2023 – 01/2024 Robert Koch-Institut Berlin, DE
  • Backend development for the "Digital Vaccination Rate Monitoring" project.
  • Managed Tableau projects and their ETL pipelines to ensure 24/7 availability of public dashboards.
Research Associate 04/2021 – 04/2023 Media Bias Project Tokyo, JP
  • Developed a news aggregator for detecting bias and collecting annotation data.
  • Effectiveness study of visual bias communication strategies in R.
Python Course Instructor (Master's Students) 2020 – 2021 Universität Konstanz Konstanz, DE
  • Taught programming fundamentals, web scraping, OOP, and data visualisation.
  • Designed curricula and teaching materials; graded assignments and final projects.
Tutor – Statistics Module 'Applied Regression Analysis' 2020 – 2021 Universität zu Köln Köln, DE
  • Teaching and application of linear and logistic regression models.
  • Introduction to SPSS and analysis of socio-political questions using data from the European Values Study.
Research Associate – Project 'SOCIALBOND' 10/2017 – 10/2019 Institut für Soziologie und Sozialpsychologie (ISS), Universität zu Köln Köln, DE
  • Implemented surveys on LimeSurvey and conducted data analysis in R.
  • Conducted surveys in school classes (ERC-funded project).
Founder & Data Analyst 10/2017 – 10/2019 bahsskabasele GbR Köln, DE
  • Advised clients on statistical analysis of research results, model selection, and hypothesis testing.

Education

M.Sc. Social and Economic Data Science (1,6) 2019 – 2023 Universität Konstanz
B.Sc. Sozialwissenschaften (1,6) 2015 – 2019 Universität zu Köln
Abitur (1,5) 2008 – 2015 Erzbischöfliche Liebfrauenschule Köln