Marie Esther Willems

Overview

17 years in data science and analytics, the last 3 at Trade Republic, where I lead the language team. Replaced 82 hand-built dashboards with one metrics layer people trust. Most at home with PyTorch and XGBoost. I write a small newsletter about NLP.

Prefers short, specific messages

Experience

1. Director of Data Science

   Dec 2023 - Present
   Trade Republic · 2 yr 10 mo · Full-time · Amsterdam, Netherlands
   • Replaced 58 hand-built dashboards with one metrics layer people trust.
   • Built the language models now used in 10 product decisions a quarter.
   • Wrote the metric definitions the leadership team reviews every week.
2. Data Scientist

   Jun 2020 - Dec 2023
   Accenture · 3 yr 6 mo · Full-time · Amsterdam, Netherlands
   • Replaced 86 hand-built dashboards with one metrics layer people trust.
3. Analytics Manager

   Apr 2018 - Jun 2020
   Adyen · 2 yr 2 mo · Contract · Amsterdam, Netherlands
   • Built the language models now used in 11 product decisions a quarter.
4. Senior Data Scientist

   Feb 2017 - Apr 2018
   Deloitte · 1 yr 2 mo · Contract · Amsterdam, Netherlands
   • Replaced 35 hand-built dashboards with one metrics layer people trust.
   • Wrote the metric definitions the leadership team reviews every week.
5. Data Analyst

   Mar 2014 - Oct 2016
   Ericsson · 2 yr 7 mo · Contract · Amsterdam, Netherlands
   • Taught SQL to 136 non-analysts.
   • Replaced 103 hand-built dashboards with one metrics layer people trust.

Projects

No references yet.

Education

1. Humboldt University of Berlin

   BA, Physics
   2005 - 2008