Bert De Bruijn
Development
Bonaire, Bonaire, Sint Eustatius and Saba
Skills
Data Science
About
Bert de Bruijn's skills align with Programmers (Information and Communication Technology). Bert also has skills associated with Management, Policy and Governance (other) (Management, Policy and Governance). Bert de Bruijn has 7 years of work experience, with 2 years of management experience, including a low-level position.
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Work Experience
Lead Data Scientist
Nielsen Media Research
November 2021 - January 2024
- Rotterdam, NL • Successfully transforming the product offering to align with client needs and campaign Nov 2021 - Jan 2024 specifics, introducing new tailored solutions for diverse campaign structures. Achieving a substantial increase in overall sales. • Analyzing past product studies identifying key insights, to craft a thought-leadership piece. Communicating campaign components in client-friendly terms, enhancing industry credibility and trustworthiness. • Acting as an independent researcher conducting research into new product offerings. Scoping out new products and product extensions (prototyping). • Advising and assisting team members and other internal stakeholders on current and future products. • Acted as people manager and driving development of other data scientists.
Senior Data Scientist
Nielsen Media Research
February 2019 - October 2021
- Rotterdam, NL • Created a modeling strategy to solve common problems and challenges in projects in- Feb 2019 - Oct 2021 creasing the quality and consistency of the delivery. • Developed and implemented an "AWS Runner" for seamless cloud-based project runs, improving efficiency and consistency during the model exploration phase in response to project scope expansion. • Established comprehensive versioning, testing, and documentation processes through Gitlab CICD, ensuring consistency, and quality, and facilitating future development. • Drove the analytics and programming of a team that measures the effect of media and advertisements on TV tune-in or consumer satisfaction KPIs. • Incorporated cloud computing (including CI/CD) and reproducible code workflow (using Docker) into our project workflow. • Acted as people manager, engaging in thesis supervision and driving the development of data scientists. Set goals for the R&D initiatives.
Data Scientist
Nielsen Media Research
September 2017 - January 2019
- Rotterdam, NL • Built and improved respondent-level models for measuring the effect of media and adver- Sept 2017 - Jan 2019 tisements on TV tune-in or consumer satisfaction KPIs. • Wrote code and made decisions around sample representativeness, data quality, controlling for confounding factors, testing assumptions; and translated results into client insights. • Led the team transition of R to Python; set up internal Python package and initial Docker image for reproducible code. • Created a hierarchical model for consistent full-season ad evaluations for a sports network that provided a cohesive narrative across the season while retaining granularity for individual games, meeting client expectations, and facilitating detailed analysis of advertising impacts.
Modelling Analyst
ABN AMRO Bank
August 2016 - May 2017
- Amsterdam, NL • Modeled credit risk to determine a provision norm to mitigate the risk of recessions by Aug 2016 - May 2017 holding reserves.
Data Scientist
Sundio
July 2016 - July 2016
- July 2016 Private Projects Intervalues: A Python package for efficient combining of intervals for tracking counts, sets, and more Advent of Code: Participating in the yearly Advent of Code challenge (2018 to 2023 fully complete) Various other personal coding projects: 'Solving Sudoku with Z3', 'Modeling excess deaths during Covid in the Netherlands', and others.
Education
Erasmus School of Economics
BSc
Erasmus School of Economics / Tinbergen Institute
PhD
Erasmus School of Economics
MSc
PhD
September 2011 - December 2015
MSc
September 2010 - July 2011
BSc
September 2007 - July 2010
